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Finding the Third Proportional to 124.88 and 222

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Solution

The third proportional to 124.88 and 222 is: 394.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    124.88 : 222 = 222 : x
  2. Step 2: Convert to fraction form
    124.88/222 = 222/x
  3. Step 3: Cross multiply
    124.88x = 222 × 222
  4. Step 4: Simplify right side
    124.88x = 49,284
  5. Step 5: Solve for x
    x = 49,284/124.88
  6. Step 6: Final answer
    x = 394.67

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.