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Finding the Third Proportional to 7,616 and 15,460

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Solution

The third proportional to 7,616 and 15,460 is: 31,382.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,616 : 15,460 = 15,460 : x
  2. Step 2: Convert to fraction form
    7,616/15,460 = 15,460/x
  3. Step 3: Cross multiply
    7,616x = 15,460 × 15,460
  4. Step 4: Simplify right side
    7,616x = 239,011,600
  5. Step 5: Solve for x
    x = 239,011,600/7,616
  6. Step 6: Final answer
    x = 31,382.83

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.