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Finding the Third Proportional to 115,645,986 and 158,581,926

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Solution

The third proportional to 115,645,986 and 158,581,926 is: 217,458,712.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,645,986 : 158,581,926 = 158,581,926 : x
  2. Step 2: Convert to fraction form
    115,645,986/158,581,926 = 158,581,926/x
  3. Step 3: Cross multiply
    115,645,986x = 158,581,926 × 158,581,926
  4. Step 4: Simplify right side
    115,645,986x = 25,148,227,253,869,476
  5. Step 5: Solve for x
    x = 25,148,227,253,869,476/115,645,986
  6. Step 6: Final answer
    x = 217,458,712.78

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.