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Finding the Third Proportional to 1,332.19 and 1,998.19

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Solution

The third proportional to 1,332.19 and 1,998.19 is: 2,997.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332.19 : 1,998.19 = 1,998.19 : x
  2. Step 2: Convert to fraction form
    1,332.19/1,998.19 = 1,998.19/x
  3. Step 3: Cross multiply
    1,332.19x = 1,998.19 × 1,998.19
  4. Step 4: Simplify right side
    1,332.19x = 3,992,753.29
  5. Step 5: Solve for x
    x = 3,992,753.29/1,332.19
  6. Step 6: Final answer
    x = 2,997.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.