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Finding the Third Proportional to 644,591.25 and 1,366,021.13

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Solution

The third proportional to 644,591.25 and 1,366,021.13 is: 2,894,879.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,591.25 : 1,366,021.13 = 1,366,021.13 : x
  2. Step 2: Convert to fraction form
    644,591.25/1,366,021.13 = 1,366,021.13/x
  3. Step 3: Cross multiply
    644,591.25x = 1,366,021.13 × 1,366,021.13
  4. Step 4: Simplify right side
    644,591.25x = 1,866,013,713,946.27
  5. Step 5: Solve for x
    x = 1,866,013,713,946.27/644,591.25
  6. Step 6: Final answer
    x = 2,894,879.06

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.