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Finding the Third Proportional to 1,908,856.13 and 4,149,042.75

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Solution

The third proportional to 1,908,856.13 and 4,149,042.75 is: 9,018,257.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,856.13 : 4,149,042.75 = 4,149,042.75 : x
  2. Step 2: Convert to fraction form
    1,908,856.13/4,149,042.75 = 4,149,042.75/x
  3. Step 3: Cross multiply
    1,908,856.13x = 4,149,042.75 × 4,149,042.75
  4. Step 4: Simplify right side
    1,908,856.13x = 17,214,555,741,327.56
  5. Step 5: Solve for x
    x = 17,214,555,741,327.56/1,908,856.13
  6. Step 6: Final answer
    x = 9,018,257.33

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.