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Finding the Third Proportional to 437.34 and 961.03

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Solution

The third proportional to 437.34 and 961.03 is: 2,111.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.34 : 961.03 = 961.03 : x
  2. Step 2: Convert to fraction form
    437.34/961.03 = 961.03/x
  3. Step 3: Cross multiply
    437.34x = 961.03 × 961.03
  4. Step 4: Simplify right side
    437.34x = 923,581.06
  5. Step 5: Solve for x
    x = 923,581.06/437.34
  6. Step 6: Final answer
    x = 2,111.80

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.