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Finding the Third Proportional to 15,600 and 25,632

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Solution

The third proportional to 15,600 and 25,632 is: 42,115.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,600 : 25,632 = 25,632 : x
  2. Step 2: Convert to fraction form
    15,600/25,632 = 25,632/x
  3. Step 3: Cross multiply
    15,600x = 25,632 × 25,632
  4. Step 4: Simplify right side
    15,600x = 656,999,424
  5. Step 5: Solve for x
    x = 656,999,424/15,600
  6. Step 6: Final answer
    x = 42,115.35

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.