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Finding the Third Proportional to 133,031 and 199,539

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Solution

The third proportional to 133,031 and 199,539 is: 299,297.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,031 : 199,539 = 199,539 : x
  2. Step 2: Convert to fraction form
    133,031/199,539 = 199,539/x
  3. Step 3: Cross multiply
    133,031x = 199,539 × 199,539
  4. Step 4: Simplify right side
    133,031x = 39,815,812,521
  5. Step 5: Solve for x
    x = 39,815,812,521/133,031
  6. Step 6: Final answer
    x = 299,297.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.