Home / 401,864-857,040

Finding the Third Proportional to 401,864 and 857,040

Calculator

Solution

The third proportional to 401,864 and 857,040 is: 1,827,776.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,864 : 857,040 = 857,040 : x
  2. Step 2: Convert to fraction form
    401,864/857,040 = 857,040/x
  3. Step 3: Cross multiply
    401,864x = 857,040 × 857,040
  4. Step 4: Simplify right side
    401,864x = 734,517,561,600
  5. Step 5: Solve for x
    x = 734,517,561,600/401,864
  6. Step 6: Final answer
    x = 1,827,776.47

Related Problems

Find third proportional to 200,932 and 428,520
Half scale
Find third proportional to 803,728 and 1,714,080
Double scale
Find third proportional to 401,866 and 857,044
Similar ratio
Find third proportional to 602,796 and 1,285,560
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.