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Finding the Third Proportional to 67,354 and 146,356

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Solution

The third proportional to 67,354 and 146,356 is: 318,022.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,354 : 146,356 = 146,356 : x
  2. Step 2: Convert to fraction form
    67,354/146,356 = 146,356/x
  3. Step 3: Cross multiply
    67,354x = 146,356 × 146,356
  4. Step 4: Simplify right side
    67,354x = 21,420,078,736
  5. Step 5: Solve for x
    x = 21,420,078,736/67,354
  6. Step 6: Final answer
    x = 318,022.37

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.