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Finding the Third Proportional to 125,315 and 270,190

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Solution

The third proportional to 125,315 and 270,190 is: 582,553.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,315 : 270,190 = 270,190 : x
  2. Step 2: Convert to fraction form
    125,315/270,190 = 270,190/x
  3. Step 3: Cross multiply
    125,315x = 270,190 × 270,190
  4. Step 4: Simplify right side
    125,315x = 73,002,636,100
  5. Step 5: Solve for x
    x = 73,002,636,100/125,315
  6. Step 6: Final answer
    x = 582,553.06

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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.