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Finding the Third Proportional to 73,557,086 and 156,080,330

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Solution

The third proportional to 73,557,086 and 156,080,330 is: 331,185,895.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,557,086 : 156,080,330 = 156,080,330 : x
  2. Step 2: Convert to fraction form
    73,557,086/156,080,330 = 156,080,330/x
  3. Step 3: Cross multiply
    73,557,086x = 156,080,330 × 156,080,330
  4. Step 4: Simplify right side
    73,557,086x = 24,361,069,412,908,900
  5. Step 5: Solve for x
    x = 24,361,069,412,908,900/73,557,086
  6. Step 6: Final answer
    x = 331,185,895.71

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.