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Finding the Third Proportional to 135,654 and 199,559

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Solution

The third proportional to 135,654 and 199,559 is: 293,568.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,654 : 199,559 = 199,559 : x
  2. Step 2: Convert to fraction form
    135,654/199,559 = 199,559/x
  3. Step 3: Cross multiply
    135,654x = 199,559 × 199,559
  4. Step 4: Simplify right side
    135,654x = 39,823,794,481
  5. Step 5: Solve for x
    x = 39,823,794,481/135,654
  6. Step 6: Final answer
    x = 293,568.89

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.