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Finding the Third Proportional to 662.91 and 1,049.63

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Solution

The third proportional to 662.91 and 1,049.63 is: 1,661.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    662.91 : 1,049.63 = 1,049.63 : x
  2. Step 2: Convert to fraction form
    662.91/1,049.63 = 1,049.63/x
  3. Step 3: Cross multiply
    662.91x = 1,049.63 × 1,049.63
  4. Step 4: Simplify right side
    662.91x = 1,101,712.64
  5. Step 5: Solve for x
    x = 1,101,712.64/662.91
  6. Step 6: Final answer
    x = 1,661.94

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.