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Finding the Third Proportional to 41,998.50 and 80,919

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Solution

The third proportional to 41,998.50 and 80,919 is: 155,907.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,998.50 : 80,919 = 80,919 : x
  2. Step 2: Convert to fraction form
    41,998.50/80,919 = 80,919/x
  3. Step 3: Cross multiply
    41,998.50x = 80,919 × 80,919
  4. Step 4: Simplify right side
    41,998.50x = 6,547,884,561
  5. Step 5: Solve for x
    x = 6,547,884,561/41,998.50
  6. Step 6: Final answer
    x = 155,907.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.93) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.