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Finding the Third Proportional to 58,438.97 and 126,220.78

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Solution

The third proportional to 58,438.97 and 126,220.78 is: 272,620.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,438.97 : 126,220.78 = 126,220.78 : x
  2. Step 2: Convert to fraction form
    58,438.97/126,220.78 = 126,220.78/x
  3. Step 3: Cross multiply
    58,438.97x = 126,220.78 × 126,220.78
  4. Step 4: Simplify right side
    58,438.97x = 15,931,685,619.36
  5. Step 5: Solve for x
    x = 15,931,685,619.36/58,438.97
  6. Step 6: Final answer
    x = 272,620.92

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.