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Finding the Third Proportional to 2,216.50 and 3,239

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Solution

The third proportional to 2,216.50 and 3,239 is: 4,733.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216.50 : 3,239 = 3,239 : x
  2. Step 2: Convert to fraction form
    2,216.50/3,239 = 3,239/x
  3. Step 3: Cross multiply
    2,216.50x = 3,239 × 3,239
  4. Step 4: Simplify right side
    2,216.50x = 10,491,121
  5. Step 5: Solve for x
    x = 10,491,121/2,216.50
  6. Step 6: Final answer
    x = 4,733.19

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.