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Finding the Third Proportional to 15,122 and 22,251

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Solution

The third proportional to 15,122 and 22,251 is: 32,740.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,122 : 22,251 = 22,251 : x
  2. Step 2: Convert to fraction form
    15,122/22,251 = 22,251/x
  3. Step 3: Cross multiply
    15,122x = 22,251 × 22,251
  4. Step 4: Simplify right side
    15,122x = 495,107,001
  5. Step 5: Solve for x
    x = 495,107,001/15,122
  6. Step 6: Final answer
    x = 32,740.84

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.