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Finding the Third Proportional to 211.36 and 546.12

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Solution

The third proportional to 211.36 and 546.12 is: 1,411.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    211.36 : 546.12 = 546.12 : x
  2. Step 2: Convert to fraction form
    211.36/546.12 = 546.12/x
  3. Step 3: Cross multiply
    211.36x = 546.12 × 546.12
  4. Step 4: Simplify right side
    211.36x = 298,243.98
  5. Step 5: Solve for x
    x = 298,243.98/211.36
  6. Step 6: Final answer
    x = 1,411.08

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Why These Related Problems?

These problems maintain the same ratio (2.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.