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Finding the Third Proportional to 599.91 and 903.66

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Solution

The third proportional to 599.91 and 903.66 is: 1,361.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.91 : 903.66 = 903.66 : x
  2. Step 2: Convert to fraction form
    599.91/903.66 = 903.66/x
  3. Step 3: Cross multiply
    599.91x = 903.66 × 903.66
  4. Step 4: Simplify right side
    599.91x = 816,594.62
  5. Step 5: Solve for x
    x = 816,594.62/599.91
  6. Step 6: Final answer
    x = 1,361.20

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.