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Finding the Third Proportional to 79,472.25 and 173,706.75

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Solution

The third proportional to 79,472.25 and 173,706.75 is: 379,680.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,472.25 : 173,706.75 = 173,706.75 : x
  2. Step 2: Convert to fraction form
    79,472.25/173,706.75 = 173,706.75/x
  3. Step 3: Cross multiply
    79,472.25x = 173,706.75 × 173,706.75
  4. Step 4: Simplify right side
    79,472.25x = 30,174,034,995.56
  5. Step 5: Solve for x
    x = 30,174,034,995.56/79,472.25
  6. Step 6: Final answer
    x = 379,680.14

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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.