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Finding the Third Proportional to 292.36 and 440.44

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Solution

The third proportional to 292.36 and 440.44 is: 663.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.36 : 440.44 = 440.44 : x
  2. Step 2: Convert to fraction form
    292.36/440.44 = 440.44/x
  3. Step 3: Cross multiply
    292.36x = 440.44 × 440.44
  4. Step 4: Simplify right side
    292.36x = 193,985.19
  5. Step 5: Solve for x
    x = 193,985.19/292.36
  6. Step 6: Final answer
    x = 663.52

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.