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Finding the Third Proportional to 330,942.38 and 722,575.69

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Solution

The third proportional to 330,942.38 and 722,575.69 is: 1,577,663.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,942.38 : 722,575.69 = 722,575.69 : x
  2. Step 2: Convert to fraction form
    330,942.38/722,575.69 = 722,575.69/x
  3. Step 3: Cross multiply
    330,942.38x = 722,575.69 × 722,575.69
  4. Step 4: Simplify right side
    330,942.38x = 522,115,624,166.10
  5. Step 5: Solve for x
    x = 522,115,624,166.10/330,942.38
  6. Step 6: Final answer
    x = 1,577,663.25

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.