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Finding the Third Proportional to 5,113.13 and 9,039.09

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Solution

The third proportional to 5,113.13 and 9,039.09 is: 15,979.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.13 : 9,039.09 = 9,039.09 : x
  2. Step 2: Convert to fraction form
    5,113.13/9,039.09 = 9,039.09/x
  3. Step 3: Cross multiply
    5,113.13x = 9,039.09 × 9,039.09
  4. Step 4: Simplify right side
    5,113.13x = 81,705,215.82
  5. Step 5: Solve for x
    x = 81,705,215.82/5,113.13
  6. Step 6: Final answer
    x = 15,979.51

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Why These Related Problems?

These problems maintain the same ratio (1.77) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.