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Finding the Third Proportional to 384 and 547

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Solution

The third proportional to 384 and 547 is: 779.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    384 : 547 = 547 : x
  2. Step 2: Convert to fraction form
    384/547 = 547/x
  3. Step 3: Cross multiply
    384x = 547 × 547
  4. Step 4: Simplify right side
    384x = 299,209
  5. Step 5: Solve for x
    x = 299,209/384
  6. Step 6: Final answer
    x = 779.19

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These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.