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Finding the Third Proportional to 2,217.66 and 4,810.22

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Solution

The third proportional to 2,217.66 and 4,810.22 is: 10,433.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217.66 : 4,810.22 = 4,810.22 : x
  2. Step 2: Convert to fraction form
    2,217.66/4,810.22 = 4,810.22/x
  3. Step 3: Cross multiply
    2,217.66x = 4,810.22 × 4,810.22
  4. Step 4: Simplify right side
    2,217.66x = 23,138,204.42
  5. Step 5: Solve for x
    x = 23,138,204.42/2,217.66
  6. Step 6: Final answer
    x = 10,433.63

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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.