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Finding the Third Proportional to 200,914 and 303,409

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Solution

The third proportional to 200,914 and 303,409 is: 458,191.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,914 : 303,409 = 303,409 : x
  2. Step 2: Convert to fraction form
    200,914/303,409 = 303,409/x
  3. Step 3: Cross multiply
    200,914x = 303,409 × 303,409
  4. Step 4: Simplify right side
    200,914x = 92,057,021,281
  5. Step 5: Solve for x
    x = 92,057,021,281/200,914
  6. Step 6: Final answer
    x = 458,191.17

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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.