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Finding the Third Proportional to 25,448 and 39,612

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Solution

The third proportional to 25,448 and 39,612 is: 61,659.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,448 : 39,612 = 39,612 : x
  2. Step 2: Convert to fraction form
    25,448/39,612 = 39,612/x
  3. Step 3: Cross multiply
    25,448x = 39,612 × 39,612
  4. Step 4: Simplify right side
    25,448x = 1,569,110,544
  5. Step 5: Solve for x
    x = 1,569,110,544/25,448
  6. Step 6: Final answer
    x = 61,659.48

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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.