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Finding the Third Proportional to 115,902 and 253,926

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Solution

The third proportional to 115,902 and 253,926 is: 556,318.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,902 : 253,926 = 253,926 : x
  2. Step 2: Convert to fraction form
    115,902/253,926 = 253,926/x
  3. Step 3: Cross multiply
    115,902x = 253,926 × 253,926
  4. Step 4: Simplify right side
    115,902x = 64,478,413,476
  5. Step 5: Solve for x
    x = 64,478,413,476/115,902
  6. Step 6: Final answer
    x = 556,318.39

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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.