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Finding the Third Proportional to 6,691 and 15,494.50

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Solution

The third proportional to 6,691 and 15,494.50 is: 35,880.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,691 : 15,494.50 = 15,494.50 : x
  2. Step 2: Convert to fraction form
    6,691/15,494.50 = 15,494.50/x
  3. Step 3: Cross multiply
    6,691x = 15,494.50 × 15,494.50
  4. Step 4: Simplify right side
    6,691x = 240,079,530.25
  5. Step 5: Solve for x
    x = 240,079,530.25/6,691
  6. Step 6: Final answer
    x = 35,880.96

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.