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Finding the Third Proportional to 67,740 and 96,628

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Solution

The third proportional to 67,740 and 96,628 is: 137,835.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,740 : 96,628 = 96,628 : x
  2. Step 2: Convert to fraction form
    67,740/96,628 = 96,628/x
  3. Step 3: Cross multiply
    67,740x = 96,628 × 96,628
  4. Step 4: Simplify right side
    67,740x = 9,336,970,384
  5. Step 5: Solve for x
    x = 9,336,970,384/67,740
  6. Step 6: Final answer
    x = 137,835.41

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.