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Finding the Third Proportional to 753,939.38 and 1,640,860.88

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Solution

The third proportional to 753,939.38 and 1,640,860.88 is: 3,571,141.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,939.38 : 1,640,860.88 = 1,640,860.88 : x
  2. Step 2: Convert to fraction form
    753,939.38/1,640,860.88 = 1,640,860.88/x
  3. Step 3: Cross multiply
    753,939.38x = 1,640,860.88 × 1,640,860.88
  4. Step 4: Simplify right side
    753,939.38x = 2,692,424,411,105.77
  5. Step 5: Solve for x
    x = 2,692,424,411,105.77/753,939.38
  6. Step 6: Final answer
    x = 3,571,141.79

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.