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Finding the Third Proportional to 4,517 and 7,079.50

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Solution

The third proportional to 4,517 and 7,079.50 is: 11,095.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,517 : 7,079.50 = 7,079.50 : x
  2. Step 2: Convert to fraction form
    4,517/7,079.50 = 7,079.50/x
  3. Step 3: Cross multiply
    4,517x = 7,079.50 × 7,079.50
  4. Step 4: Simplify right side
    4,517x = 50,119,320.25
  5. Step 5: Solve for x
    x = 50,119,320.25/4,517
  6. Step 6: Final answer
    x = 11,095.71

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.