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Finding the Third Proportional to 270,250 and 625,555

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Solution

The third proportional to 270,250 and 625,555 is: 1,447,989.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,250 : 625,555 = 625,555 : x
  2. Step 2: Convert to fraction form
    270,250/625,555 = 625,555/x
  3. Step 3: Cross multiply
    270,250x = 625,555 × 625,555
  4. Step 4: Simplify right side
    270,250x = 391,319,058,025
  5. Step 5: Solve for x
    x = 391,319,058,025/270,250
  6. Step 6: Final answer
    x = 1,447,989.11

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.