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Finding the Third Proportional to 15,924 and 25,108

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Solution

The third proportional to 15,924 and 25,108 is: 39,588.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,924 : 25,108 = 25,108 : x
  2. Step 2: Convert to fraction form
    15,924/25,108 = 25,108/x
  3. Step 3: Cross multiply
    15,924x = 25,108 × 25,108
  4. Step 4: Simplify right side
    15,924x = 630,411,664
  5. Step 5: Solve for x
    x = 630,411,664/15,924
  6. Step 6: Final answer
    x = 39,588.78

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.