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Finding the Third Proportional to 7,486 and 11,458

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Solution

The third proportional to 7,486 and 11,458 is: 17,537.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486 : 11,458 = 11,458 : x
  2. Step 2: Convert to fraction form
    7,486/11,458 = 11,458/x
  3. Step 3: Cross multiply
    7,486x = 11,458 × 11,458
  4. Step 4: Simplify right side
    7,486x = 131,285,764
  5. Step 5: Solve for x
    x = 131,285,764/7,486
  6. Step 6: Final answer
    x = 17,537.51

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.