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Finding the Third Proportional to 25,604 and 39,542

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Solution

The third proportional to 25,604 and 39,542 is: 61,067.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,604 : 39,542 = 39,542 : x
  2. Step 2: Convert to fraction form
    25,604/39,542 = 39,542/x
  3. Step 3: Cross multiply
    25,604x = 39,542 × 39,542
  4. Step 4: Simplify right side
    25,604x = 1,563,569,764
  5. Step 5: Solve for x
    x = 1,563,569,764/25,604
  6. Step 6: Final answer
    x = 61,067.40

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.