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Finding the Third Proportional to 36,940 and 80,072

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Solution

The third proportional to 36,940 and 80,072 is: 173,565.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,940 : 80,072 = 80,072 : x
  2. Step 2: Convert to fraction form
    36,940/80,072 = 80,072/x
  3. Step 3: Cross multiply
    36,940x = 80,072 × 80,072
  4. Step 4: Simplify right side
    36,940x = 6,411,525,184
  5. Step 5: Solve for x
    x = 6,411,525,184/36,940
  6. Step 6: Final answer
    x = 173,565.92

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.