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Finding the Third Proportional to 15,338 and 23,128

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Solution

The third proportional to 15,338 and 23,128 is: 34,874.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,338 : 23,128 = 23,128 : x
  2. Step 2: Convert to fraction form
    15,338/23,128 = 23,128/x
  3. Step 3: Cross multiply
    15,338x = 23,128 × 23,128
  4. Step 4: Simplify right side
    15,338x = 534,904,384
  5. Step 5: Solve for x
    x = 534,904,384/15,338
  6. Step 6: Final answer
    x = 34,874.45

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.