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Finding the Third Proportional to 211.04 and 461.64

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Solution

The third proportional to 211.04 and 461.64 is: 1,009.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    211.04 : 461.64 = 461.64 : x
  2. Step 2: Convert to fraction form
    211.04/461.64 = 461.64/x
  3. Step 3: Cross multiply
    211.04x = 461.64 × 461.64
  4. Step 4: Simplify right side
    211.04x = 213,108.46
  5. Step 5: Solve for x
    x = 213,108.46/211.04
  6. Step 6: Final answer
    x = 1,009.79

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.