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Finding the Third Proportional to 7,834.50 and 16,317

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Solution

The third proportional to 7,834.50 and 16,317 is: 33,983.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,834.50 : 16,317 = 16,317 : x
  2. Step 2: Convert to fraction form
    7,834.50/16,317 = 16,317/x
  3. Step 3: Cross multiply
    7,834.50x = 16,317 × 16,317
  4. Step 4: Simplify right side
    7,834.50x = 266,244,489
  5. Step 5: Solve for x
    x = 266,244,489/7,834.50
  6. Step 6: Final answer
    x = 33,983.60

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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.