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Finding the Third Proportional to 324.63 and 475.56

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Solution

The third proportional to 324.63 and 475.56 is: 696.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    324.63 : 475.56 = 475.56 : x
  2. Step 2: Convert to fraction form
    324.63/475.56 = 475.56/x
  3. Step 3: Cross multiply
    324.63x = 475.56 × 475.56
  4. Step 4: Simplify right side
    324.63x = 226,155.98
  5. Step 5: Solve for x
    x = 226,155.98/324.63
  6. Step 6: Final answer
    x = 696.65

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.