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Finding the Third Proportional to 107 and 222.50

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Solution

The third proportional to 107 and 222.50 is: 462.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    107 : 222.50 = 222.50 : x
  2. Step 2: Convert to fraction form
    107/222.50 = 222.50/x
  3. Step 3: Cross multiply
    107x = 222.50 × 222.50
  4. Step 4: Simplify right side
    107x = 49,506.25
  5. Step 5: Solve for x
    x = 49,506.25/107
  6. Step 6: Final answer
    x = 462.68

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.