Home / 402,486-838,044

Finding the Third Proportional to 402,486 and 838,044

Calculator

Solution

The third proportional to 402,486 and 838,044 is: 1,744,949.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,486 : 838,044 = 838,044 : x
  2. Step 2: Convert to fraction form
    402,486/838,044 = 838,044/x
  3. Step 3: Cross multiply
    402,486x = 838,044 × 838,044
  4. Step 4: Simplify right side
    402,486x = 702,317,745,936
  5. Step 5: Solve for x
    x = 702,317,745,936/402,486
  6. Step 6: Final answer
    x = 1,744,949.50

Related Problems

Find third proportional to 201,243 and 419,022
Half scale
Find third proportional to 804,972 and 1,676,088
Double scale
Find third proportional to 402,488 and 838,048
Similar ratio
Find third proportional to 603,729 and 1,257,066
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.