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Finding the Third Proportional to 271,785 and 449,190

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Solution

The third proportional to 271,785 and 449,190 is: 742,394.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,785 : 449,190 = 449,190 : x
  2. Step 2: Convert to fraction form
    271,785/449,190 = 449,190/x
  3. Step 3: Cross multiply
    271,785x = 449,190 × 449,190
  4. Step 4: Simplify right side
    271,785x = 201,771,656,100
  5. Step 5: Solve for x
    x = 201,771,656,100/271,785
  6. Step 6: Final answer
    x = 742,394.38

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Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.