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Finding the Third Proportional to 672.05 and 1,006.17

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Solution

The third proportional to 672.05 and 1,006.17 is: 1,506.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    672.05 : 1,006.17 = 1,006.17 : x
  2. Step 2: Convert to fraction form
    672.05/1,006.17 = 1,006.17/x
  3. Step 3: Cross multiply
    672.05x = 1,006.17 × 1,006.17
  4. Step 4: Simplify right side
    672.05x = 1,012,381.84
  5. Step 5: Solve for x
    x = 1,012,381.84/672.05
  6. Step 6: Final answer
    x = 1,506.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.