Home / 60,486-129,996

Finding the Third Proportional to 60,486 and 129,996

Calculator

Solution

The third proportional to 60,486 and 129,996 is: 279,386.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,486 : 129,996 = 129,996 : x
  2. Step 2: Convert to fraction form
    60,486/129,996 = 129,996/x
  3. Step 3: Cross multiply
    60,486x = 129,996 × 129,996
  4. Step 4: Simplify right side
    60,486x = 16,898,960,016
  5. Step 5: Solve for x
    x = 16,898,960,016/60,486
  6. Step 6: Final answer
    x = 279,386.30

Related Problems

Find third proportional to 30,243 and 64,998
Half scale
Find third proportional to 120,972 and 259,992
Double scale
Find third proportional to 60,488 and 130,000
Similar ratio
Find third proportional to 90,729 and 194,994
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.