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Finding the Third Proportional to 56,228 and 122,500

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Solution

The third proportional to 56,228 and 122,500 is: 266,882.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,228 : 122,500 = 122,500 : x
  2. Step 2: Convert to fraction form
    56,228/122,500 = 122,500/x
  3. Step 3: Cross multiply
    56,228x = 122,500 × 122,500
  4. Step 4: Simplify right side
    56,228x = 15,006,250,000
  5. Step 5: Solve for x
    x = 15,006,250,000/56,228
  6. Step 6: Final answer
    x = 266,882.16

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.