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Finding the Third Proportional to 19,940 and 29,522

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Solution

The third proportional to 19,940 and 29,522 is: 43,708.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,940 : 29,522 = 29,522 : x
  2. Step 2: Convert to fraction form
    19,940/29,522 = 29,522/x
  3. Step 3: Cross multiply
    19,940x = 29,522 × 29,522
  4. Step 4: Simplify right side
    19,940x = 871,548,484
  5. Step 5: Solve for x
    x = 871,548,484/19,940
  6. Step 6: Final answer
    x = 43,708.55

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.