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Finding the Third Proportional to 212,051 and 324,872

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Solution

The third proportional to 212,051 and 324,872 is: 497,719.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,051 : 324,872 = 324,872 : x
  2. Step 2: Convert to fraction form
    212,051/324,872 = 324,872/x
  3. Step 3: Cross multiply
    212,051x = 324,872 × 324,872
  4. Step 4: Simplify right side
    212,051x = 105,541,816,384
  5. Step 5: Solve for x
    x = 105,541,816,384/212,051
  6. Step 6: Final answer
    x = 497,719.02

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.