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Finding the Third Proportional to 4,711.50 and 8,731.13

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Solution

The third proportional to 4,711.50 and 8,731.13 is: 16,180.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,711.50 : 8,731.13 = 8,731.13 : x
  2. Step 2: Convert to fraction form
    4,711.50/8,731.13 = 8,731.13/x
  3. Step 3: Cross multiply
    4,711.50x = 8,731.13 × 8,731.13
  4. Step 4: Simplify right side
    4,711.50x = 76,232,543.77
  5. Step 5: Solve for x
    x = 76,232,543.77/4,711.50
  6. Step 6: Final answer
    x = 16,180.10

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Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.