Home / 141,577-213,459

Finding the Third Proportional to 141,577 and 213,459

Calculator

Solution

The third proportional to 141,577 and 213,459 is: 321,837.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,577 : 213,459 = 213,459 : x
  2. Step 2: Convert to fraction form
    141,577/213,459 = 213,459/x
  3. Step 3: Cross multiply
    141,577x = 213,459 × 213,459
  4. Step 4: Simplify right side
    141,577x = 45,564,744,681
  5. Step 5: Solve for x
    x = 45,564,744,681/141,577
  6. Step 6: Final answer
    x = 321,837.20

Related Problems

Find third proportional to 70,788.50 and 106,729.50
Half scale
Find third proportional to 283,154 and 426,918
Double scale
Find third proportional to 141,579 and 213,462
Similar ratio
Find third proportional to 212,365.50 and 320,188.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.