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Finding the Third Proportional to 1,123,647.19 and 2,476,342.13

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Solution

The third proportional to 1,123,647.19 and 2,476,342.13 is: 5,457,469.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,647.19 : 2,476,342.13 = 2,476,342.13 : x
  2. Step 2: Convert to fraction form
    1,123,647.19/2,476,342.13 = 2,476,342.13/x
  3. Step 3: Cross multiply
    1,123,647.19x = 2,476,342.13 × 2,476,342.13
  4. Step 4: Simplify right side
    1,123,647.19x = 6,132,270,320,049.52
  5. Step 5: Solve for x
    x = 6,132,270,320,049.52/1,123,647.19
  6. Step 6: Final answer
    x = 5,457,469.56

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.