Home / 400,858,752-838,369,413

Finding the Third Proportional to 400,858,752 and 838,369,413

Calculator

Solution

The third proportional to 400,858,752 and 838,369,413 is: 1,753,393,855.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,858,752 : 838,369,413 = 838,369,413 : x
  2. Step 2: Convert to fraction form
    400,858,752/838,369,413 = 838,369,413/x
  3. Step 3: Cross multiply
    400,858,752x = 838,369,413 × 838,369,413
  4. Step 4: Simplify right side
    400,858,752x = 702,863,272,653,964,544
  5. Step 5: Solve for x
    x = 702,863,272,653,964,544/400,858,752
  6. Step 6: Final answer
    x = 1,753,393,855.43

Related Problems

Find third proportional to 200,429,376 and 419,184,706.50
Half scale
Find third proportional to 801,717,504 and 1,676,738,826
Double scale
Find third proportional to 400,858,754 and 838,369,417
Similar ratio
Find third proportional to 601,288,128 and 1,257,554,119.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.