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Finding the Third Proportional to 125,190 and 270,408

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Solution

The third proportional to 125,190 and 270,408 is: 584,076.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,190 : 270,408 = 270,408 : x
  2. Step 2: Convert to fraction form
    125,190/270,408 = 270,408/x
  3. Step 3: Cross multiply
    125,190x = 270,408 × 270,408
  4. Step 4: Simplify right side
    125,190x = 73,120,486,464
  5. Step 5: Solve for x
    x = 73,120,486,464/125,190
  6. Step 6: Final answer
    x = 584,076.10

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.