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Finding the Third Proportional to 417,863.81 and 902,228.63

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Solution

The third proportional to 417,863.81 and 902,228.63 is: 1,948,042.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,863.81 : 902,228.63 = 902,228.63 : x
  2. Step 2: Convert to fraction form
    417,863.81/902,228.63 = 902,228.63/x
  3. Step 3: Cross multiply
    417,863.81x = 902,228.63 × 902,228.63
  4. Step 4: Simplify right side
    417,863.81x = 814,016,491,769.39
  5. Step 5: Solve for x
    x = 814,016,491,769.39/417,863.81
  6. Step 6: Final answer
    x = 1,948,042.56

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.