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Finding the Third Proportional to 7,708.50 and 9,741

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Solution

The third proportional to 7,708.50 and 9,741 is: 12,309.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,708.50 : 9,741 = 9,741 : x
  2. Step 2: Convert to fraction form
    7,708.50/9,741 = 9,741/x
  3. Step 3: Cross multiply
    7,708.50x = 9,741 × 9,741
  4. Step 4: Simplify right side
    7,708.50x = 94,887,081
  5. Step 5: Solve for x
    x = 94,887,081/7,708.50
  6. Step 6: Final answer
    x = 12,309.41

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Why These Related Problems?

These problems maintain the same ratio (1.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.