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Finding the Third Proportional to 3,596.50 and 7,861

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Solution

The third proportional to 3,596.50 and 7,861 is: 17,182.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,596.50 : 7,861 = 7,861 : x
  2. Step 2: Convert to fraction form
    3,596.50/7,861 = 7,861/x
  3. Step 3: Cross multiply
    3,596.50x = 7,861 × 7,861
  4. Step 4: Simplify right side
    3,596.50x = 61,795,321
  5. Step 5: Solve for x
    x = 61,795,321/3,596.50
  6. Step 6: Final answer
    x = 17,182.07

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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.