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Finding the Third Proportional to 754.50 and 1,590.94

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Solution

The third proportional to 754.50 and 1,590.94 is: 3,354.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    754.50 : 1,590.94 = 1,590.94 : x
  2. Step 2: Convert to fraction form
    754.50/1,590.94 = 1,590.94/x
  3. Step 3: Cross multiply
    754.50x = 1,590.94 × 1,590.94
  4. Step 4: Simplify right side
    754.50x = 2,531,082.13
  5. Step 5: Solve for x
    x = 2,531,082.13/754.50
  6. Step 6: Final answer
    x = 3,354.65

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.