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Finding the Third Proportional to 67,945 and 97,867

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Solution

The third proportional to 67,945 and 97,867 is: 140,966.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,945 : 97,867 = 97,867 : x
  2. Step 2: Convert to fraction form
    67,945/97,867 = 97,867/x
  3. Step 3: Cross multiply
    67,945x = 97,867 × 97,867
  4. Step 4: Simplify right side
    67,945x = 9,577,949,689
  5. Step 5: Solve for x
    x = 9,577,949,689/67,945
  6. Step 6: Final answer
    x = 140,966.22

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.