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Finding the Third Proportional to 1,940,266.13 and 4,081,642.31

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Solution

The third proportional to 1,940,266.13 and 4,081,642.31 is: 8,586,349.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,266.13 : 4,081,642.31 = 4,081,642.31 : x
  2. Step 2: Convert to fraction form
    1,940,266.13/4,081,642.31 = 4,081,642.31/x
  3. Step 3: Cross multiply
    1,940,266.13x = 4,081,642.31 × 4,081,642.31
  4. Step 4: Simplify right side
    1,940,266.13x = 16,659,803,967,190.35
  5. Step 5: Solve for x
    x = 16,659,803,967,190.35/1,940,266.13
  6. Step 6: Final answer
    x = 8,586,349.96

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.