Home / 65,862-136,080

Finding the Third Proportional to 65,862 and 136,080

Calculator

Solution

The third proportional to 65,862 and 136,080 is: 281,160.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,862 : 136,080 = 136,080 : x
  2. Step 2: Convert to fraction form
    65,862/136,080 = 136,080/x
  3. Step 3: Cross multiply
    65,862x = 136,080 × 136,080
  4. Step 4: Simplify right side
    65,862x = 18,517,766,400
  5. Step 5: Solve for x
    x = 18,517,766,400/65,862
  6. Step 6: Final answer
    x = 281,160.10

Related Problems

Find third proportional to 32,931 and 68,040
Half scale
Find third proportional to 131,724 and 272,160
Double scale
Find third proportional to 65,864 and 136,084
Similar ratio
Find third proportional to 98,793 and 204,120
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.