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Finding the Third Proportional to 29,177,030 and 67,539,578

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Solution

The third proportional to 29,177,030 and 67,539,578 is: 156,341,978.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,177,030 : 67,539,578 = 67,539,578 : x
  2. Step 2: Convert to fraction form
    29,177,030/67,539,578 = 67,539,578/x
  3. Step 3: Cross multiply
    29,177,030x = 67,539,578 × 67,539,578
  4. Step 4: Simplify right side
    29,177,030x = 4,561,594,596,418,084
  5. Step 5: Solve for x
    x = 4,561,594,596,418,084/29,177,030
  6. Step 6: Final answer
    x = 156,341,978.48

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.