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Finding the Third Proportional to 205,071 and 450,468

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Solution

The third proportional to 205,071 and 450,468 is: 989,517.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,071 : 450,468 = 450,468 : x
  2. Step 2: Convert to fraction form
    205,071/450,468 = 450,468/x
  3. Step 3: Cross multiply
    205,071x = 450,468 × 450,468
  4. Step 4: Simplify right side
    205,071x = 202,921,419,024
  5. Step 5: Solve for x
    x = 202,921,419,024/205,071
  6. Step 6: Final answer
    x = 989,517.87

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.