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Finding the Third Proportional to 56,065 and 120,450

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Solution

The third proportional to 56,065 and 120,450 is: 258,774.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,065 : 120,450 = 120,450 : x
  2. Step 2: Convert to fraction form
    56,065/120,450 = 120,450/x
  3. Step 3: Cross multiply
    56,065x = 120,450 × 120,450
  4. Step 4: Simplify right side
    56,065x = 14,508,202,500
  5. Step 5: Solve for x
    x = 14,508,202,500/56,065
  6. Step 6: Final answer
    x = 258,774.68

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.