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Finding the Third Proportional to 1,375,016.45 and 2,176,791.15

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Solution

The third proportional to 1,375,016.45 and 2,176,791.15 is: 3,446,082.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,016.45 : 2,176,791.15 = 2,176,791.15 : x
  2. Step 2: Convert to fraction form
    1,375,016.45/2,176,791.15 = 2,176,791.15/x
  3. Step 3: Cross multiply
    1,375,016.45x = 2,176,791.15 × 2,176,791.15
  4. Step 4: Simplify right side
    1,375,016.45x = 4,738,419,720,922.25
  5. Step 5: Solve for x
    x = 4,738,419,720,922.25/1,375,016.45
  6. Step 6: Final answer
    x = 3,446,082.21

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.