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Finding the Third Proportional to 27,618 and 43,062

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Solution

The third proportional to 27,618 and 43,062 is: 67,142.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,618 : 43,062 = 43,062 : x
  2. Step 2: Convert to fraction form
    27,618/43,062 = 43,062/x
  3. Step 3: Cross multiply
    27,618x = 43,062 × 43,062
  4. Step 4: Simplify right side
    27,618x = 1,854,335,844
  5. Step 5: Solve for x
    x = 1,854,335,844/27,618
  6. Step 6: Final answer
    x = 67,142.29

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.