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Finding the Third Proportional to 7,340 and 15,398

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Solution

The third proportional to 7,340 and 15,398 is: 32,302.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340 : 15,398 = 15,398 : x
  2. Step 2: Convert to fraction form
    7,340/15,398 = 15,398/x
  3. Step 3: Cross multiply
    7,340x = 15,398 × 15,398
  4. Step 4: Simplify right side
    7,340x = 237,098,404
  5. Step 5: Solve for x
    x = 237,098,404/7,340
  6. Step 6: Final answer
    x = 32,302.23

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.