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Finding the Third Proportional to 67,618 and 96,112

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Solution

The third proportional to 67,618 and 96,112 is: 136,613.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,618 : 96,112 = 96,112 : x
  2. Step 2: Convert to fraction form
    67,618/96,112 = 96,112/x
  3. Step 3: Cross multiply
    67,618x = 96,112 × 96,112
  4. Step 4: Simplify right side
    67,618x = 9,237,516,544
  5. Step 5: Solve for x
    x = 9,237,516,544/67,618
  6. Step 6: Final answer
    x = 136,613.28

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.