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Finding the Third Proportional to 154,467 and 331,533

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Solution

The third proportional to 154,467 and 331,533 is: 711,570.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,467 : 331,533 = 331,533 : x
  2. Step 2: Convert to fraction form
    154,467/331,533 = 331,533/x
  3. Step 3: Cross multiply
    154,467x = 331,533 × 331,533
  4. Step 4: Simplify right side
    154,467x = 109,914,130,089
  5. Step 5: Solve for x
    x = 109,914,130,089/154,467
  6. Step 6: Final answer
    x = 711,570.30

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.