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Finding the Third Proportional to 56,621 and 125,514

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Solution

The third proportional to 56,621 and 125,514 is: 278,231.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,621 : 125,514 = 125,514 : x
  2. Step 2: Convert to fraction form
    56,621/125,514 = 125,514/x
  3. Step 3: Cross multiply
    56,621x = 125,514 × 125,514
  4. Step 4: Simplify right side
    56,621x = 15,753,764,196
  5. Step 5: Solve for x
    x = 15,753,764,196/56,621
  6. Step 6: Final answer
    x = 278,231.83

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.