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Finding the Third Proportional to 270,108 and 625,320

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Solution

The third proportional to 270,108 and 625,320 is: 1,447,662.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,108 : 625,320 = 625,320 : x
  2. Step 2: Convert to fraction form
    270,108/625,320 = 625,320/x
  3. Step 3: Cross multiply
    270,108x = 625,320 × 625,320
  4. Step 4: Simplify right side
    270,108x = 391,025,102,400
  5. Step 5: Solve for x
    x = 391,025,102,400/270,108
  6. Step 6: Final answer
    x = 1,447,662.06

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.