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Finding the Third Proportional to 703.41 and 1,658.81

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Solution

The third proportional to 703.41 and 1,658.81 is: 3,911.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    703.41 : 1,658.81 = 1,658.81 : x
  2. Step 2: Convert to fraction form
    703.41/1,658.81 = 1,658.81/x
  3. Step 3: Cross multiply
    703.41x = 1,658.81 × 1,658.81
  4. Step 4: Simplify right side
    703.41x = 2,751,658.91
  5. Step 5: Solve for x
    x = 2,751,658.91/703.41
  6. Step 6: Final answer
    x = 3,911.91

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.