Home / 64,712-141,889

Finding the Third Proportional to 64,712 and 141,889

Calculator

Solution

The third proportional to 64,712 and 141,889 is: 311,109.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,712 : 141,889 = 141,889 : x
  2. Step 2: Convert to fraction form
    64,712/141,889 = 141,889/x
  3. Step 3: Cross multiply
    64,712x = 141,889 × 141,889
  4. Step 4: Simplify right side
    64,712x = 20,132,488,321
  5. Step 5: Solve for x
    x = 20,132,488,321/64,712
  6. Step 6: Final answer
    x = 311,109.04

Related Problems

Find third proportional to 32,356 and 70,944.50
Half scale
Find third proportional to 129,424 and 283,778
Double scale
Find third proportional to 64,714 and 141,893
Similar ratio
Find third proportional to 97,068 and 212,833.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.