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Finding the Third Proportional to 7,480 and 15,934

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Solution

The third proportional to 7,480 and 15,934 is: 33,942.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480 : 15,934 = 15,934 : x
  2. Step 2: Convert to fraction form
    7,480/15,934 = 15,934/x
  3. Step 3: Cross multiply
    7,480x = 15,934 × 15,934
  4. Step 4: Simplify right side
    7,480x = 253,892,356
  5. Step 5: Solve for x
    x = 253,892,356/7,480
  6. Step 6: Final answer
    x = 33,942.83

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.