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Finding the Third Proportional to 45,132 and 68,562

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Solution

The third proportional to 45,132 and 68,562 is: 104,155.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,132 : 68,562 = 68,562 : x
  2. Step 2: Convert to fraction form
    45,132/68,562 = 68,562/x
  3. Step 3: Cross multiply
    45,132x = 68,562 × 68,562
  4. Step 4: Simplify right side
    45,132x = 4,700,747,844
  5. Step 5: Solve for x
    x = 4,700,747,844/45,132
  6. Step 6: Final answer
    x = 104,155.54

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.