Home / 418,364-861,496

Finding the Third Proportional to 418,364 and 861,496

Calculator

Solution

The third proportional to 418,364 and 861,496 is: 1,773,994.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,364 : 861,496 = 861,496 : x
  2. Step 2: Convert to fraction form
    418,364/861,496 = 861,496/x
  3. Step 3: Cross multiply
    418,364x = 861,496 × 861,496
  4. Step 4: Simplify right side
    418,364x = 742,175,358,016
  5. Step 5: Solve for x
    x = 742,175,358,016/418,364
  6. Step 6: Final answer
    x = 1,773,994.32

Related Problems

Find third proportional to 209,182 and 430,748
Half scale
Find third proportional to 836,728 and 1,722,992
Double scale
Find third proportional to 418,366 and 861,500
Similar ratio
Find third proportional to 627,546 and 1,292,244
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.