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Finding the Third Proportional to 448.88 and 673.31

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Solution

The third proportional to 448.88 and 673.31 is: 1,009.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    448.88 : 673.31 = 673.31 : x
  2. Step 2: Convert to fraction form
    448.88/673.31 = 673.31/x
  3. Step 3: Cross multiply
    448.88x = 673.31 × 673.31
  4. Step 4: Simplify right side
    448.88x = 453,349.72
  5. Step 5: Solve for x
    x = 453,349.72/448.88
  6. Step 6: Final answer
    x = 1,009.97

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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.