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Finding the Third Proportional to 176,377.50 and 387,870.19

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Solution

The third proportional to 176,377.50 and 387,870.19 is: 852,961.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,377.50 : 387,870.19 = 387,870.19 : x
  2. Step 2: Convert to fraction form
    176,377.50/387,870.19 = 387,870.19/x
  3. Step 3: Cross multiply
    176,377.50x = 387,870.19 × 387,870.19
  4. Step 4: Simplify right side
    176,377.50x = 150,443,282,351.29
  5. Step 5: Solve for x
    x = 150,443,282,351.29/176,377.50
  6. Step 6: Final answer
    x = 852,961.87

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.