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Finding the Third Proportional to 603.98 and 1,306.97

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Solution

The third proportional to 603.98 and 1,306.97 is: 2,828.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    603.98 : 1,306.97 = 1,306.97 : x
  2. Step 2: Convert to fraction form
    603.98/1,306.97 = 1,306.97/x
  3. Step 3: Cross multiply
    603.98x = 1,306.97 × 1,306.97
  4. Step 4: Simplify right side
    603.98x = 1,708,167.31
  5. Step 5: Solve for x
    x = 1,708,167.31/603.98
  6. Step 6: Final answer
    x = 2,828.16

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.