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Finding the Third Proportional to 7,484 and 11,650

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Solution

The third proportional to 7,484 and 11,650 is: 18,135.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,484 : 11,650 = 11,650 : x
  2. Step 2: Convert to fraction form
    7,484/11,650 = 11,650/x
  3. Step 3: Cross multiply
    7,484x = 11,650 × 11,650
  4. Step 4: Simplify right side
    7,484x = 135,722,500
  5. Step 5: Solve for x
    x = 135,722,500/7,484
  6. Step 6: Final answer
    x = 18,135.02

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.