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Finding the Third Proportional to 61,273.13 and 87,778.69

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Solution

The third proportional to 61,273.13 and 87,778.69 is: 125,750.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,273.13 : 87,778.69 = 87,778.69 : x
  2. Step 2: Convert to fraction form
    61,273.13/87,778.69 = 87,778.69/x
  3. Step 3: Cross multiply
    61,273.13x = 87,778.69 × 87,778.69
  4. Step 4: Simplify right side
    61,273.13x = 7,705,097,979.22
  5. Step 5: Solve for x
    x = 7,705,097,979.22/61,273.13
  6. Step 6: Final answer
    x = 125,750.04

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.