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Finding the Third Proportional to 38,342 and 51,528

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Solution

The third proportional to 38,342 and 51,528 is: 69,248.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,342 : 51,528 = 51,528 : x
  2. Step 2: Convert to fraction form
    38,342/51,528 = 51,528/x
  3. Step 3: Cross multiply
    38,342x = 51,528 × 51,528
  4. Step 4: Simplify right side
    38,342x = 2,655,134,784
  5. Step 5: Solve for x
    x = 2,655,134,784/38,342
  6. Step 6: Final answer
    x = 69,248.73

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.