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Finding the Third Proportional to 193.56 and 299.88

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Solution

The third proportional to 193.56 and 299.88 is: 464.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.56 : 299.88 = 299.88 : x
  2. Step 2: Convert to fraction form
    193.56/299.88 = 299.88/x
  3. Step 3: Cross multiply
    193.56x = 299.88 × 299.88
  4. Step 4: Simplify right side
    193.56x = 89,925.02
  5. Step 5: Solve for x
    x = 89,925.02/193.56
  6. Step 6: Final answer
    x = 464.58

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.