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Finding the Third Proportional to 39,618 and 82,524

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Solution

The third proportional to 39,618 and 82,524 is: 171,896.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,618 : 82,524 = 82,524 : x
  2. Step 2: Convert to fraction form
    39,618/82,524 = 82,524/x
  3. Step 3: Cross multiply
    39,618x = 82,524 × 82,524
  4. Step 4: Simplify right side
    39,618x = 6,810,210,576
  5. Step 5: Solve for x
    x = 6,810,210,576/39,618
  6. Step 6: Final answer
    x = 171,896.88

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.