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Finding the Third Proportional to 115,443 and 253,579

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Solution

The third proportional to 115,443 and 253,579 is: 557,004.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,443 : 253,579 = 253,579 : x
  2. Step 2: Convert to fraction form
    115,443/253,579 = 253,579/x
  3. Step 3: Cross multiply
    115,443x = 253,579 × 253,579
  4. Step 4: Simplify right side
    115,443x = 64,302,309,241
  5. Step 5: Solve for x
    x = 64,302,309,241/115,443
  6. Step 6: Final answer
    x = 557,004.84

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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.