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Finding the Third Proportional to 222.19 and 484.88

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Solution

The third proportional to 222.19 and 484.88 is: 1,058.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.19 : 484.88 = 484.88 : x
  2. Step 2: Convert to fraction form
    222.19/484.88 = 484.88/x
  3. Step 3: Cross multiply
    222.19x = 484.88 × 484.88
  4. Step 4: Simplify right side
    222.19x = 235,103.77
  5. Step 5: Solve for x
    x = 235,103.77/222.19
  6. Step 6: Final answer
    x = 1,058.13

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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.