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Finding the Third Proportional to 135,877.50 and 199,820.25

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Solution

The third proportional to 135,877.50 and 199,820.25 is: 293,853.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,877.50 : 199,820.25 = 199,820.25 : x
  2. Step 2: Convert to fraction form
    135,877.50/199,820.25 = 199,820.25/x
  3. Step 3: Cross multiply
    135,877.50x = 199,820.25 × 199,820.25
  4. Step 4: Simplify right side
    135,877.50x = 39,928,132,310.06
  5. Step 5: Solve for x
    x = 39,928,132,310.06/135,877.50
  6. Step 6: Final answer
    x = 293,853.89

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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.