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Finding the Third Proportional to 139,646 and 199,533

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Solution

The third proportional to 139,646 and 199,533 is: 285,102.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,646 : 199,533 = 199,533 : x
  2. Step 2: Convert to fraction form
    139,646/199,533 = 199,533/x
  3. Step 3: Cross multiply
    139,646x = 199,533 × 199,533
  4. Step 4: Simplify right side
    139,646x = 39,813,418,089
  5. Step 5: Solve for x
    x = 39,813,418,089/139,646
  6. Step 6: Final answer
    x = 285,102.46

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.