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Finding the Third Proportional to 27,555 and 59,782

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Solution

The third proportional to 27,555 and 59,782 is: 129,700.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,555 : 59,782 = 59,782 : x
  2. Step 2: Convert to fraction form
    27,555/59,782 = 59,782/x
  3. Step 3: Cross multiply
    27,555x = 59,782 × 59,782
  4. Step 4: Simplify right side
    27,555x = 3,573,887,524
  5. Step 5: Solve for x
    x = 3,573,887,524/27,555
  6. Step 6: Final answer
    x = 129,700.15

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.