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Finding the Third Proportional to 67,642 and 96,145

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Solution

The third proportional to 67,642 and 96,145 is: 136,658.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,642 : 96,145 = 96,145 : x
  2. Step 2: Convert to fraction form
    67,642/96,145 = 96,145/x
  3. Step 3: Cross multiply
    67,642x = 96,145 × 96,145
  4. Step 4: Simplify right side
    67,642x = 9,243,861,025
  5. Step 5: Solve for x
    x = 9,243,861,025/67,642
  6. Step 6: Final answer
    x = 136,658.60

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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.