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Finding the Third Proportional to 273 and 383

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Solution

The third proportional to 273 and 383 is: 537.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    273 : 383 = 383 : x
  2. Step 2: Convert to fraction form
    273/383 = 383/x
  3. Step 3: Cross multiply
    273x = 383 × 383
  4. Step 4: Simplify right side
    273x = 146,689
  5. Step 5: Solve for x
    x = 146,689/273
  6. Step 6: Final answer
    x = 537.32

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.