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Finding the Third Proportional to 77,922.56 and 170,425.13

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Solution

The third proportional to 77,922.56 and 170,425.13 is: 372,738.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,922.56 : 170,425.13 = 170,425.13 : x
  2. Step 2: Convert to fraction form
    77,922.56/170,425.13 = 170,425.13/x
  3. Step 3: Cross multiply
    77,922.56x = 170,425.13 × 170,425.13
  4. Step 4: Simplify right side
    77,922.56x = 29,044,723,231.27
  5. Step 5: Solve for x
    x = 29,044,723,231.27/77,922.56
  6. Step 6: Final answer
    x = 372,738.30

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.