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Finding the Third Proportional to 111,618 and 167,427

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Solution

The third proportional to 111,618 and 167,427 is: 251,140.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,618 : 167,427 = 167,427 : x
  2. Step 2: Convert to fraction form
    111,618/167,427 = 167,427/x
  3. Step 3: Cross multiply
    111,618x = 167,427 × 167,427
  4. Step 4: Simplify right side
    111,618x = 28,031,800,329
  5. Step 5: Solve for x
    x = 28,031,800,329/111,618
  6. Step 6: Final answer
    x = 251,140.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.