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Finding the Third Proportional to 322,107 and 727,730.25

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Solution

The third proportional to 322,107 and 727,730.25 is: 1,644,147.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,107 : 727,730.25 = 727,730.25 : x
  2. Step 2: Convert to fraction form
    322,107/727,730.25 = 727,730.25/x
  3. Step 3: Cross multiply
    322,107x = 727,730.25 × 727,730.25
  4. Step 4: Simplify right side
    322,107x = 529,591,316,765.06
  5. Step 5: Solve for x
    x = 529,591,316,765.06/322,107
  6. Step 6: Final answer
    x = 1,644,147.18

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Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.