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Finding the Third Proportional to 210,329 and 305,892

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Solution

The third proportional to 210,329 and 305,892 is: 444,874.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,329 : 305,892 = 305,892 : x
  2. Step 2: Convert to fraction form
    210,329/305,892 = 305,892/x
  3. Step 3: Cross multiply
    210,329x = 305,892 × 305,892
  4. Step 4: Simplify right side
    210,329x = 93,569,915,664
  5. Step 5: Solve for x
    x = 93,569,915,664/210,329
  6. Step 6: Final answer
    x = 444,874.06

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.