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Finding the Third Proportional to 386.72 and 588.94

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Solution

The third proportional to 386.72 and 588.94 is: 896.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    386.72 : 588.94 = 588.94 : x
  2. Step 2: Convert to fraction form
    386.72/588.94 = 588.94/x
  3. Step 3: Cross multiply
    386.72x = 588.94 × 588.94
  4. Step 4: Simplify right side
    386.72x = 346,847.38
  5. Step 5: Solve for x
    x = 346,847.38/386.72
  6. Step 6: Final answer
    x = 896.90

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.