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Finding the Third Proportional to 9,712.13 and 10,738.13

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Solution

The third proportional to 9,712.13 and 10,738.13 is: 11,872.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,712.13 : 10,738.13 = 10,738.13 : x
  2. Step 2: Convert to fraction form
    9,712.13/10,738.13 = 10,738.13/x
  3. Step 3: Cross multiply
    9,712.13x = 10,738.13 × 10,738.13
  4. Step 4: Simplify right side
    9,712.13x = 115,307,328.52
  5. Step 5: Solve for x
    x = 115,307,328.52/9,712.13
  6. Step 6: Final answer
    x = 11,872.51

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.