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Finding the Third Proportional to 200,890 and 303,927

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Solution

The third proportional to 200,890 and 303,927 is: 459,811.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,890 : 303,927 = 303,927 : x
  2. Step 2: Convert to fraction form
    200,890/303,927 = 303,927/x
  3. Step 3: Cross multiply
    200,890x = 303,927 × 303,927
  4. Step 4: Simplify right side
    200,890x = 92,371,621,329
  5. Step 5: Solve for x
    x = 92,371,621,329/200,890
  6. Step 6: Final answer
    x = 459,811.94

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.