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Finding the Third Proportional to 211,848 and 454,395

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Solution

The third proportional to 211,848 and 454,395 is: 974,636.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,848 : 454,395 = 454,395 : x
  2. Step 2: Convert to fraction form
    211,848/454,395 = 454,395/x
  3. Step 3: Cross multiply
    211,848x = 454,395 × 454,395
  4. Step 4: Simplify right side
    211,848x = 206,474,816,025
  5. Step 5: Solve for x
    x = 206,474,816,025/211,848
  6. Step 6: Final answer
    x = 974,636.61

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.