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Finding the Third Proportional to 5,305.50 and 11,315.25

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Solution

The third proportional to 5,305.50 and 11,315.25 is: 24,132.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,305.50 : 11,315.25 = 11,315.25 : x
  2. Step 2: Convert to fraction form
    5,305.50/11,315.25 = 11,315.25/x
  3. Step 3: Cross multiply
    5,305.50x = 11,315.25 × 11,315.25
  4. Step 4: Simplify right side
    5,305.50x = 128,034,882.56
  5. Step 5: Solve for x
    x = 128,034,882.56/5,305.50
  6. Step 6: Final answer
    x = 24,132.48

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.