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Finding the Third Proportional to 71,943.75 and 168,040.13

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Solution

The third proportional to 71,943.75 and 168,040.13 is: 392,493.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,943.75 : 168,040.13 = 168,040.13 : x
  2. Step 2: Convert to fraction form
    71,943.75/168,040.13 = 168,040.13/x
  3. Step 3: Cross multiply
    71,943.75x = 168,040.13 × 168,040.13
  4. Step 4: Simplify right side
    71,943.75x = 28,237,483,610.02
  5. Step 5: Solve for x
    x = 28,237,483,610.02/71,943.75
  6. Step 6: Final answer
    x = 392,493.91

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.