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Finding the Third Proportional to 10,117.13 and 11,175.75

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Solution

The third proportional to 10,117.13 and 11,175.75 is: 12,345.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,117.13 : 11,175.75 = 11,175.75 : x
  2. Step 2: Convert to fraction form
    10,117.13/11,175.75 = 11,175.75/x
  3. Step 3: Cross multiply
    10,117.13x = 11,175.75 × 11,175.75
  4. Step 4: Simplify right side
    10,117.13x = 124,897,388.06
  5. Step 5: Solve for x
    x = 124,897,388.06/10,117.13
  6. Step 6: Final answer
    x = 12,345.15

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.