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Finding the Third Proportional to 494.63 and 1,057.88

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Solution

The third proportional to 494.63 and 1,057.88 is: 2,262.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    494.63 : 1,057.88 = 1,057.88 : x
  2. Step 2: Convert to fraction form
    494.63/1,057.88 = 1,057.88/x
  3. Step 3: Cross multiply
    494.63x = 1,057.88 × 1,057.88
  4. Step 4: Simplify right side
    494.63x = 1,119,099.52
  5. Step 5: Solve for x
    x = 1,119,099.52/494.63
  6. Step 6: Final answer
    x = 2,262.52

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.