Home / 417,862-636,588

Finding the Third Proportional to 417,862 and 636,588

Calculator

Solution

The third proportional to 417,862 and 636,588 is: 969,804.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,862 : 636,588 = 636,588 : x
  2. Step 2: Convert to fraction form
    417,862/636,588 = 636,588/x
  3. Step 3: Cross multiply
    417,862x = 636,588 × 636,588
  4. Step 4: Simplify right side
    417,862x = 405,244,281,744
  5. Step 5: Solve for x
    x = 405,244,281,744/417,862
  6. Step 6: Final answer
    x = 969,804.10

Related Problems

Find third proportional to 208,931 and 318,294
Half scale
Find third proportional to 835,724 and 1,273,176
Double scale
Find third proportional to 417,864 and 636,591
Similar ratio
Find third proportional to 626,793 and 954,882
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.