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Finding the Third Proportional to 30,885,644 and 67,149,688

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Solution

The third proportional to 30,885,644 and 67,149,688 is: 145,992,766.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,885,644 : 67,149,688 = 67,149,688 : x
  2. Step 2: Convert to fraction form
    30,885,644/67,149,688 = 67,149,688/x
  3. Step 3: Cross multiply
    30,885,644x = 67,149,688 × 67,149,688
  4. Step 4: Simplify right side
    30,885,644x = 4,509,080,598,497,344
  5. Step 5: Solve for x
    x = 4,509,080,598,497,344/30,885,644
  6. Step 6: Final answer
    x = 145,992,766.04

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.