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Finding the Third Proportional to 449.44 and 942.19

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Solution

The third proportional to 449.44 and 942.19 is: 1,975.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    449.44 : 942.19 = 942.19 : x
  2. Step 2: Convert to fraction form
    449.44/942.19 = 942.19/x
  3. Step 3: Cross multiply
    449.44x = 942.19 × 942.19
  4. Step 4: Simplify right side
    449.44x = 887,717.29
  5. Step 5: Solve for x
    x = 887,717.29/449.44
  6. Step 6: Final answer
    x = 1,975.17

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.