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Finding the Third Proportional to 115,851 and 253,843

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Solution

The third proportional to 115,851 and 253,843 is: 556,199.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,851 : 253,843 = 253,843 : x
  2. Step 2: Convert to fraction form
    115,851/253,843 = 253,843/x
  3. Step 3: Cross multiply
    115,851x = 253,843 × 253,843
  4. Step 4: Simplify right side
    115,851x = 64,436,268,649
  5. Step 5: Solve for x
    x = 64,436,268,649/115,851
  6. Step 6: Final answer
    x = 556,199.50

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.