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Finding the Third Proportional to 279.14 and 410.63

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Solution

The third proportional to 279.14 and 410.63 is: 604.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    279.14 : 410.63 = 410.63 : x
  2. Step 2: Convert to fraction form
    279.14/410.63 = 410.63/x
  3. Step 3: Cross multiply
    279.14x = 410.63 × 410.63
  4. Step 4: Simplify right side
    279.14x = 168,612.89
  5. Step 5: Solve for x
    x = 168,612.89/279.14
  6. Step 6: Final answer
    x = 604.04

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.