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Finding the Third Proportional to 271,852 and 639,614

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Solution

The third proportional to 271,852 and 639,614 is: 1,504,885.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,852 : 639,614 = 639,614 : x
  2. Step 2: Convert to fraction form
    271,852/639,614 = 639,614/x
  3. Step 3: Cross multiply
    271,852x = 639,614 × 639,614
  4. Step 4: Simplify right side
    271,852x = 409,106,068,996
  5. Step 5: Solve for x
    x = 409,106,068,996/271,852
  6. Step 6: Final answer
    x = 1,504,885.26

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.