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Finding the Third Proportional to 672.19 and 1,007.44

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Solution

The third proportional to 672.19 and 1,007.44 is: 1,509.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    672.19 : 1,007.44 = 1,007.44 : x
  2. Step 2: Convert to fraction form
    672.19/1,007.44 = 1,007.44/x
  3. Step 3: Cross multiply
    672.19x = 1,007.44 × 1,007.44
  4. Step 4: Simplify right side
    672.19x = 1,014,930.32
  5. Step 5: Solve for x
    x = 1,014,930.32/672.19
  6. Step 6: Final answer
    x = 1,509.89

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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.