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Finding the Third Proportional to 146,055 and 318,414

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Solution

The third proportional to 146,055 and 318,414 is: 694,173.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,055 : 318,414 = 318,414 : x
  2. Step 2: Convert to fraction form
    146,055/318,414 = 318,414/x
  3. Step 3: Cross multiply
    146,055x = 318,414 × 318,414
  4. Step 4: Simplify right side
    146,055x = 101,387,475,396
  5. Step 5: Solve for x
    x = 101,387,475,396/146,055
  6. Step 6: Final answer
    x = 694,173.26

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.