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Finding the Third Proportional to 203,945 and 448,668

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Solution

The third proportional to 203,945 and 448,668 is: 987,045.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,945 : 448,668 = 448,668 : x
  2. Step 2: Convert to fraction form
    203,945/448,668 = 448,668/x
  3. Step 3: Cross multiply
    203,945x = 448,668 × 448,668
  4. Step 4: Simplify right side
    203,945x = 201,302,974,224
  5. Step 5: Solve for x
    x = 201,302,974,224/203,945
  6. Step 6: Final answer
    x = 987,045.40

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.