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Finding the Third Proportional to 546.75 and 811.58

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Solution

The third proportional to 546.75 and 811.58 is: 1,204.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    546.75 : 811.58 = 811.58 : x
  2. Step 2: Convert to fraction form
    546.75/811.58 = 811.58/x
  3. Step 3: Cross multiply
    546.75x = 811.58 × 811.58
  4. Step 4: Simplify right side
    546.75x = 658,665.39
  5. Step 5: Solve for x
    x = 658,665.39/546.75
  6. Step 6: Final answer
    x = 1,204.69

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.