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Finding the Third Proportional to 36,685.50 and 80,403

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Solution

The third proportional to 36,685.50 and 80,403 is: 176,217.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,685.50 : 80,403 = 80,403 : x
  2. Step 2: Convert to fraction form
    36,685.50/80,403 = 80,403/x
  3. Step 3: Cross multiply
    36,685.50x = 80,403 × 80,403
  4. Step 4: Simplify right side
    36,685.50x = 6,464,642,409
  5. Step 5: Solve for x
    x = 6,464,642,409/36,685.50
  6. Step 6: Final answer
    x = 176,217.92

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.