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Finding the Third Proportional to 127,930 and 200,675

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Solution

The third proportional to 127,930 and 200,675 is: 314,785.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,930 : 200,675 = 200,675 : x
  2. Step 2: Convert to fraction form
    127,930/200,675 = 200,675/x
  3. Step 3: Cross multiply
    127,930x = 200,675 × 200,675
  4. Step 4: Simplify right side
    127,930x = 40,270,455,625
  5. Step 5: Solve for x
    x = 40,270,455,625/127,930
  6. Step 6: Final answer
    x = 314,785.08

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.