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Finding the Third Proportional to 29,427 and 64,425

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Solution

The third proportional to 29,427 and 64,425 is: 141,046.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,427 : 64,425 = 64,425 : x
  2. Step 2: Convert to fraction form
    29,427/64,425 = 64,425/x
  3. Step 3: Cross multiply
    29,427x = 64,425 × 64,425
  4. Step 4: Simplify right side
    29,427x = 4,150,580,625
  5. Step 5: Solve for x
    x = 4,150,580,625/29,427
  6. Step 6: Final answer
    x = 141,046.68

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.