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Finding the Third Proportional to 4,047.75 and 5,401.13

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Solution

The third proportional to 4,047.75 and 5,401.13 is: 7,207.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,047.75 : 5,401.13 = 5,401.13 : x
  2. Step 2: Convert to fraction form
    4,047.75/5,401.13 = 5,401.13/x
  3. Step 3: Cross multiply
    4,047.75x = 5,401.13 × 5,401.13
  4. Step 4: Simplify right side
    4,047.75x = 29,172,151.27
  5. Step 5: Solve for x
    x = 29,172,151.27/4,047.75
  6. Step 6: Final answer
    x = 7,207.00

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.