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Finding the Third Proportional to 8,473.50 and 17,640

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Solution

The third proportional to 8,473.50 and 17,640 is: 36,722.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,473.50 : 17,640 = 17,640 : x
  2. Step 2: Convert to fraction form
    8,473.50/17,640 = 17,640/x
  3. Step 3: Cross multiply
    8,473.50x = 17,640 × 17,640
  4. Step 4: Simplify right side
    8,473.50x = 311,169,600
  5. Step 5: Solve for x
    x = 311,169,600/8,473.50
  6. Step 6: Final answer
    x = 36,722.68

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.