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Finding the Third Proportional to 371.88 and 581.94

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Solution

The third proportional to 371.88 and 581.94 is: 910.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    371.88 : 581.94 = 581.94 : x
  2. Step 2: Convert to fraction form
    371.88/581.94 = 581.94/x
  3. Step 3: Cross multiply
    371.88x = 581.94 × 581.94
  4. Step 4: Simplify right side
    371.88x = 338,651.25
  5. Step 5: Solve for x
    x = 338,651.25/371.88
  6. Step 6: Final answer
    x = 910.66

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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.