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Finding the Third Proportional to 70,755 and 106,122

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Solution

The third proportional to 70,755 and 106,122 is: 159,167.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,755 : 106,122 = 106,122 : x
  2. Step 2: Convert to fraction form
    70,755/106,122 = 106,122/x
  3. Step 3: Cross multiply
    70,755x = 106,122 × 106,122
  4. Step 4: Simplify right side
    70,755x = 11,261,878,884
  5. Step 5: Solve for x
    x = 11,261,878,884/70,755
  6. Step 6: Final answer
    x = 159,167.25

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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.