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Finding the Third Proportional to 124.88 and 194.48

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Solution

The third proportional to 124.88 and 194.48 is: 302.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124.88 : 194.48 = 194.48 : x
  2. Step 2: Convert to fraction form
    124.88/194.48 = 194.48/x
  3. Step 3: Cross multiply
    124.88x = 194.48 × 194.48
  4. Step 4: Simplify right side
    124.88x = 37,824.17
  5. Step 5: Solve for x
    x = 37,824.17/124.88
  6. Step 6: Final answer
    x = 302.90

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.