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Finding the Third Proportional to 7,176.50 and 10,529

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Solution

The third proportional to 7,176.50 and 10,529 is: 15,447.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176.50 : 10,529 = 10,529 : x
  2. Step 2: Convert to fraction form
    7,176.50/10,529 = 10,529/x
  3. Step 3: Cross multiply
    7,176.50x = 10,529 × 10,529
  4. Step 4: Simplify right side
    7,176.50x = 110,859,841
  5. Step 5: Solve for x
    x = 110,859,841/7,176.50
  6. Step 6: Final answer
    x = 15,447.62

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.