Home / 396,642-604,262.25

Finding the Third Proportional to 396,642 and 604,262.25

Calculator

Solution

The third proportional to 396,642 and 604,262.25 is: 920,560.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,642 : 604,262.25 = 604,262.25 : x
  2. Step 2: Convert to fraction form
    396,642/604,262.25 = 604,262.25/x
  3. Step 3: Cross multiply
    396,642x = 604,262.25 × 604,262.25
  4. Step 4: Simplify right side
    396,642x = 365,132,866,775.06
  5. Step 5: Solve for x
    x = 365,132,866,775.06/396,642
  6. Step 6: Final answer
    x = 920,560.27

Related Problems

Find third proportional to 198,321 and 302,131.13
Half scale
Find third proportional to 793,284 and 1,208,524.50
Double scale
Find third proportional to 396,644 and 604,265
Similar ratio
Find third proportional to 594,963 and 906,393.38
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.