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Finding the Third Proportional to 732.25 and 1,618.25

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Solution

The third proportional to 732.25 and 1,618.25 is: 3,576.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.25 : 1,618.25 = 1,618.25 : x
  2. Step 2: Convert to fraction form
    732.25/1,618.25 = 1,618.25/x
  3. Step 3: Cross multiply
    732.25x = 1,618.25 × 1,618.25
  4. Step 4: Simplify right side
    732.25x = 2,618,733.06
  5. Step 5: Solve for x
    x = 2,618,733.06/732.25
  6. Step 6: Final answer
    x = 3,576.28

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.