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Finding the Third Proportional to 65,418 and 103,755

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Solution

The third proportional to 65,418 and 103,755 is: 164,558.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,418 : 103,755 = 103,755 : x
  2. Step 2: Convert to fraction form
    65,418/103,755 = 103,755/x
  3. Step 3: Cross multiply
    65,418x = 103,755 × 103,755
  4. Step 4: Simplify right side
    65,418x = 10,765,100,025
  5. Step 5: Solve for x
    x = 10,765,100,025/65,418
  6. Step 6: Final answer
    x = 164,558.68

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.