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Finding the Third Proportional to 38,394 and 51,624

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Solution

The third proportional to 38,394 and 51,624 is: 69,412.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,394 : 51,624 = 51,624 : x
  2. Step 2: Convert to fraction form
    38,394/51,624 = 51,624/x
  3. Step 3: Cross multiply
    38,394x = 51,624 × 51,624
  4. Step 4: Simplify right side
    38,394x = 2,665,037,376
  5. Step 5: Solve for x
    x = 2,665,037,376/38,394
  6. Step 6: Final answer
    x = 69,412.86

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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.