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Finding the Third Proportional to 193.64 and 284.77

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Solution

The third proportional to 193.64 and 284.77 is: 418.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.64 : 284.77 = 284.77 : x
  2. Step 2: Convert to fraction form
    193.64/284.77 = 284.77/x
  3. Step 3: Cross multiply
    193.64x = 284.77 × 284.77
  4. Step 4: Simplify right side
    193.64x = 81,091.46
  5. Step 5: Solve for x
    x = 81,091.46/193.64
  6. Step 6: Final answer
    x = 418.77

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.