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Finding the Third Proportional to 203,948 and 448,674

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Solution

The third proportional to 203,948 and 448,674 is: 987,057.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,948 : 448,674 = 448,674 : x
  2. Step 2: Convert to fraction form
    203,948/448,674 = 448,674/x
  3. Step 3: Cross multiply
    203,948x = 448,674 × 448,674
  4. Step 4: Simplify right side
    203,948x = 201,308,358,276
  5. Step 5: Solve for x
    x = 201,308,358,276/203,948
  6. Step 6: Final answer
    x = 987,057.28

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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.