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Finding the Third Proportional to 1,105,009.31 and 1,661,626.13

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Solution

The third proportional to 1,105,009.31 and 1,661,626.13 is: 2,498,622.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,009.31 : 1,661,626.13 = 1,661,626.13 : x
  2. Step 2: Convert to fraction form
    1,105,009.31/1,661,626.13 = 1,661,626.13/x
  3. Step 3: Cross multiply
    1,105,009.31x = 1,661,626.13 × 1,661,626.13
  4. Step 4: Simplify right side
    1,105,009.31x = 2,761,001,379,282.52
  5. Step 5: Solve for x
    x = 2,761,001,379,282.52/1,105,009.31
  6. Step 6: Final answer
    x = 2,498,622.72

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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.