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Finding the Third Proportional to 80,719,076 and 125,331,782

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Solution

The third proportional to 80,719,076 and 125,331,782 is: 194,601,528.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,719,076 : 125,331,782 = 125,331,782 : x
  2. Step 2: Convert to fraction form
    80,719,076/125,331,782 = 125,331,782/x
  3. Step 3: Cross multiply
    80,719,076x = 125,331,782 × 125,331,782
  4. Step 4: Simplify right side
    80,719,076x = 15,708,055,579,295,524
  5. Step 5: Solve for x
    x = 15,708,055,579,295,524/80,719,076
  6. Step 6: Final answer
    x = 194,601,528.63

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.