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Finding the Third Proportional to 1,057.22 and 2,276.44

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Solution

The third proportional to 1,057.22 and 2,276.44 is: 4,901.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057.22 : 2,276.44 = 2,276.44 : x
  2. Step 2: Convert to fraction form
    1,057.22/2,276.44 = 2,276.44/x
  3. Step 3: Cross multiply
    1,057.22x = 2,276.44 × 2,276.44
  4. Step 4: Simplify right side
    1,057.22x = 5,182,167.69
  5. Step 5: Solve for x
    x = 5,182,167.69/1,057.22
  6. Step 6: Final answer
    x = 4,901.70

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.