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Finding the Third Proportional to 134,190 and 212,218

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Solution

The third proportional to 134,190 and 212,218 is: 335,617.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,190 : 212,218 = 212,218 : x
  2. Step 2: Convert to fraction form
    134,190/212,218 = 212,218/x
  3. Step 3: Cross multiply
    134,190x = 212,218 × 212,218
  4. Step 4: Simplify right side
    134,190x = 45,036,479,524
  5. Step 5: Solve for x
    x = 45,036,479,524/134,190
  6. Step 6: Final answer
    x = 335,617.26

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.