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Finding the Third Proportional to 147.63 and 324.44

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Solution

The third proportional to 147.63 and 324.44 is: 713.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    147.63 : 324.44 = 324.44 : x
  2. Step 2: Convert to fraction form
    147.63/324.44 = 324.44/x
  3. Step 3: Cross multiply
    147.63x = 324.44 × 324.44
  4. Step 4: Simplify right side
    147.63x = 105,259.69
  5. Step 5: Solve for x
    x = 105,259.69/147.63
  6. Step 6: Final answer
    x = 713.02

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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.