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Finding the Third Proportional to 66,324,287 and 142,726,269

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Solution

The third proportional to 66,324,287 and 142,726,269 is: 307,139,191.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,324,287 : 142,726,269 = 142,726,269 : x
  2. Step 2: Convert to fraction form
    66,324,287/142,726,269 = 142,726,269/x
  3. Step 3: Cross multiply
    66,324,287x = 142,726,269 × 142,726,269
  4. Step 4: Simplify right side
    66,324,287x = 20,370,787,862,660,360
  5. Step 5: Solve for x
    x = 20,370,787,862,660,360/66,324,287
  6. Step 6: Final answer
    x = 307,139,191.15

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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.