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Finding the Third Proportional to 15,390 and 22,383

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Solution

The third proportional to 15,390 and 22,383 is: 32,553.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,390 : 22,383 = 22,383 : x
  2. Step 2: Convert to fraction form
    15,390/22,383 = 22,383/x
  3. Step 3: Cross multiply
    15,390x = 22,383 × 22,383
  4. Step 4: Simplify right side
    15,390x = 500,998,689
  5. Step 5: Solve for x
    x = 500,998,689/15,390
  6. Step 6: Final answer
    x = 32,553.52

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.