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Finding the Third Proportional to 311 and 541

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Solution

The third proportional to 311 and 541 is: 941.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    311 : 541 = 541 : x
  2. Step 2: Convert to fraction form
    311/541 = 541/x
  3. Step 3: Cross multiply
    311x = 541 × 541
  4. Step 4: Simplify right side
    311x = 292,681
  5. Step 5: Solve for x
    x = 292,681/311
  6. Step 6: Final answer
    x = 941.10

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Why These Related Problems?

These problems maintain the same ratio (1.74) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.