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Finding the Third Proportional to 25,394 and 39,711

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Solution

The third proportional to 25,394 and 39,711 is: 62,099.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,394 : 39,711 = 39,711 : x
  2. Step 2: Convert to fraction form
    25,394/39,711 = 39,711/x
  3. Step 3: Cross multiply
    25,394x = 39,711 × 39,711
  4. Step 4: Simplify right side
    25,394x = 1,576,963,521
  5. Step 5: Solve for x
    x = 1,576,963,521/25,394
  6. Step 6: Final answer
    x = 62,099.85

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.