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Finding the Third Proportional to 236,708 and 516,760

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Solution

The third proportional to 236,708 and 516,760 is: 1,128,144.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,708 : 516,760 = 516,760 : x
  2. Step 2: Convert to fraction form
    236,708/516,760 = 516,760/x
  3. Step 3: Cross multiply
    236,708x = 516,760 × 516,760
  4. Step 4: Simplify right side
    236,708x = 267,040,897,600
  5. Step 5: Solve for x
    x = 267,040,897,600/236,708
  6. Step 6: Final answer
    x = 1,128,144.79

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.