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Finding the Third Proportional to 673.31 and 1,081.16

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Solution

The third proportional to 673.31 and 1,081.16 is: 1,736.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    673.31 : 1,081.16 = 1,081.16 : x
  2. Step 2: Convert to fraction form
    673.31/1,081.16 = 1,081.16/x
  3. Step 3: Cross multiply
    673.31x = 1,081.16 × 1,081.16
  4. Step 4: Simplify right side
    673.31x = 1,168,907.28
  5. Step 5: Solve for x
    x = 1,168,907.28/673.31
  6. Step 6: Final answer
    x = 1,736.05

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.