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Finding the Third Proportional to 730.41 and 984.09

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Solution

The third proportional to 730.41 and 984.09 is: 1,325.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    730.41 : 984.09 = 984.09 : x
  2. Step 2: Convert to fraction form
    730.41/984.09 = 984.09/x
  3. Step 3: Cross multiply
    730.41x = 984.09 × 984.09
  4. Step 4: Simplify right side
    730.41x = 968,440.51
  5. Step 5: Solve for x
    x = 968,440.51/730.41
  6. Step 6: Final answer
    x = 1,325.89

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.