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Finding the Third Proportional to 175,215.66 and 383,600.81

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Solution

The third proportional to 175,215.66 and 383,600.81 is: 839,819.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,215.66 : 383,600.81 = 383,600.81 : x
  2. Step 2: Convert to fraction form
    175,215.66/383,600.81 = 383,600.81/x
  3. Step 3: Cross multiply
    175,215.66x = 383,600.81 × 383,600.81
  4. Step 4: Simplify right side
    175,215.66x = 147,149,583,350.66
  5. Step 5: Solve for x
    x = 147,149,583,350.66/175,215.66
  6. Step 6: Final answer
    x = 839,819.83

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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.