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Finding the Third Proportional to 56,589.75 and 122,915.25

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Solution

The third proportional to 56,589.75 and 122,915.25 is: 266,976.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,589.75 : 122,915.25 = 122,915.25 : x
  2. Step 2: Convert to fraction form
    56,589.75/122,915.25 = 122,915.25/x
  3. Step 3: Cross multiply
    56,589.75x = 122,915.25 × 122,915.25
  4. Step 4: Simplify right side
    56,589.75x = 15,108,158,682.56
  5. Step 5: Solve for x
    x = 15,108,158,682.56/56,589.75
  6. Step 6: Final answer
    x = 266,976.95

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.