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Finding the Third Proportional to 124,785 and 270,591

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Solution

The third proportional to 124,785 and 270,591 is: 586,765.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,785 : 270,591 = 270,591 : x
  2. Step 2: Convert to fraction form
    124,785/270,591 = 270,591/x
  3. Step 3: Cross multiply
    124,785x = 270,591 × 270,591
  4. Step 4: Simplify right side
    124,785x = 73,219,489,281
  5. Step 5: Solve for x
    x = 73,219,489,281/124,785
  6. Step 6: Final answer
    x = 586,765.15

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.