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Finding the Third Proportional to 7,342 and 15,402

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Solution

The third proportional to 7,342 and 15,402 is: 32,310.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342 : 15,402 = 15,402 : x
  2. Step 2: Convert to fraction form
    7,342/15,402 = 15,402/x
  3. Step 3: Cross multiply
    7,342x = 15,402 × 15,402
  4. Step 4: Simplify right side
    7,342x = 237,221,604
  5. Step 5: Solve for x
    x = 237,221,604/7,342
  6. Step 6: Final answer
    x = 32,310.22

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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.