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Finding the Third Proportional to 1,105.31 and 2,600.44

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Solution

The third proportional to 1,105.31 and 2,600.44 is: 6,117.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105.31 : 2,600.44 = 2,600.44 : x
  2. Step 2: Convert to fraction form
    1,105.31/2,600.44 = 2,600.44/x
  3. Step 3: Cross multiply
    1,105.31x = 2,600.44 × 2,600.44
  4. Step 4: Simplify right side
    1,105.31x = 6,762,275.19
  5. Step 5: Solve for x
    x = 6,762,275.19/1,105.31
  6. Step 6: Final answer
    x = 6,117.98

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.