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Finding the Third Proportional to 547.31 and 1,201.08

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Solution

The third proportional to 547.31 and 1,201.08 is: 2,635.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    547.31 : 1,201.08 = 1,201.08 : x
  2. Step 2: Convert to fraction form
    547.31/1,201.08 = 1,201.08/x
  3. Step 3: Cross multiply
    547.31x = 1,201.08 × 1,201.08
  4. Step 4: Simplify right side
    547.31x = 1,442,588.66
  5. Step 5: Solve for x
    x = 1,442,588.66/547.31
  6. Step 6: Final answer
    x = 2,635.77

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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.