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Finding the Third Proportional to 216.42 and 467.02

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Solution

The third proportional to 216.42 and 467.02 is: 1,007.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    216.42 : 467.02 = 467.02 : x
  2. Step 2: Convert to fraction form
    216.42/467.02 = 467.02/x
  3. Step 3: Cross multiply
    216.42x = 467.02 × 467.02
  4. Step 4: Simplify right side
    216.42x = 218,103.59
  5. Step 5: Solve for x
    x = 218,103.59/216.42
  6. Step 6: Final answer
    x = 1,007.77

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.