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Finding the Third Proportional to 39,595.50 and 79,839

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Solution

The third proportional to 39,595.50 and 79,839 is: 160,984.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,595.50 : 79,839 = 79,839 : x
  2. Step 2: Convert to fraction form
    39,595.50/79,839 = 79,839/x
  3. Step 3: Cross multiply
    39,595.50x = 79,839 × 79,839
  4. Step 4: Simplify right side
    39,595.50x = 6,374,265,921
  5. Step 5: Solve for x
    x = 6,374,265,921/39,595.50
  6. Step 6: Final answer
    x = 160,984.60

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Why These Related Problems?

These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.