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Finding the Third Proportional to 15,480 and 25,344

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Solution

The third proportional to 15,480 and 25,344 is: 41,493.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,480 : 25,344 = 25,344 : x
  2. Step 2: Convert to fraction form
    15,480/25,344 = 25,344/x
  3. Step 3: Cross multiply
    15,480x = 25,344 × 25,344
  4. Step 4: Simplify right side
    15,480x = 642,318,336
  5. Step 5: Solve for x
    x = 642,318,336/15,480
  6. Step 6: Final answer
    x = 41,493.43

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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.