Home / 66,688.50-127,226.25

Finding the Third Proportional to 66,688.50 and 127,226.25

Calculator

Solution

The third proportional to 66,688.50 and 127,226.25 is: 242,718.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,688.50 : 127,226.25 = 127,226.25 : x
  2. Step 2: Convert to fraction form
    66,688.50/127,226.25 = 127,226.25/x
  3. Step 3: Cross multiply
    66,688.50x = 127,226.25 × 127,226.25
  4. Step 4: Simplify right side
    66,688.50x = 16,186,518,689.06
  5. Step 5: Solve for x
    x = 16,186,518,689.06/66,688.50
  6. Step 6: Final answer
    x = 242,718.29

Related Problems

Find third proportional to 33,344.25 and 63,613.13
Half scale
Find third proportional to 133,377 and 254,452.50
Double scale
Find third proportional to 66,691 and 127,230
Similar ratio
Find third proportional to 100,032.75 and 190,839.38
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.91) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.