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Finding the Third Proportional to 240,310.13 and 323,488.69

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Solution

The third proportional to 240,310.13 and 323,488.69 is: 435,457.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,310.13 : 323,488.69 = 323,488.69 : x
  2. Step 2: Convert to fraction form
    240,310.13/323,488.69 = 323,488.69/x
  3. Step 3: Cross multiply
    240,310.13x = 323,488.69 × 323,488.69
  4. Step 4: Simplify right side
    240,310.13x = 104,644,930,940.47
  5. Step 5: Solve for x
    x = 104,644,930,940.47/240,310.13
  6. Step 6: Final answer
    x = 435,457.85

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.