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Finding the Third Proportional to 79,155,168 and 121,086,882

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Solution

The third proportional to 79,155,168 and 121,086,882 is: 185,231,531.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,155,168 : 121,086,882 = 121,086,882 : x
  2. Step 2: Convert to fraction form
    79,155,168/121,086,882 = 121,086,882/x
  3. Step 3: Cross multiply
    79,155,168x = 121,086,882 × 121,086,882
  4. Step 4: Simplify right side
    79,155,168x = 14,662,032,992,481,924
  5. Step 5: Solve for x
    x = 14,662,032,992,481,924/79,155,168
  6. Step 6: Final answer
    x = 185,231,531.47

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.