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Finding the Third Proportional to 1,644,905.25 and 3,668,016.75

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Solution

The third proportional to 1,644,905.25 and 3,668,016.75 is: 8,179,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,905.25 : 3,668,016.75 = 3,668,016.75 : x
  2. Step 2: Convert to fraction form
    1,644,905.25/3,668,016.75 = 3,668,016.75/x
  3. Step 3: Cross multiply
    1,644,905.25x = 3,668,016.75 × 3,668,016.75
  4. Step 4: Simplify right side
    1,644,905.25x = 13,454,346,878,280.56
  5. Step 5: Solve for x
    x = 13,454,346,878,280.56/1,644,905.25
  6. Step 6: Final answer
    x = 8,179,405.40

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.