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Finding the Third Proportional to 546.05 and 603.42

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Solution

The third proportional to 546.05 and 603.42 is: 666.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    546.05 : 603.42 = 603.42 : x
  2. Step 2: Convert to fraction form
    546.05/603.42 = 603.42/x
  3. Step 3: Cross multiply
    546.05x = 603.42 × 603.42
  4. Step 4: Simplify right side
    546.05x = 364,117.96
  5. Step 5: Solve for x
    x = 364,117.96/546.05
  6. Step 6: Final answer
    x = 666.83

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.