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Finding the Third Proportional to 79,154,936 and 121,086,425.50

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Solution

The third proportional to 79,154,936 and 121,086,425.50 is: 185,230,677.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,154,936 : 121,086,425.50 = 121,086,425.50 : x
  2. Step 2: Convert to fraction form
    79,154,936/121,086,425.50 = 121,086,425.50/x
  3. Step 3: Cross multiply
    79,154,936x = 121,086,425.50 × 121,086,425.50
  4. Step 4: Simplify right side
    79,154,936x = 14,661,922,440,367,050
  5. Step 5: Solve for x
    x = 14,661,922,440,367,050/79,154,936
  6. Step 6: Final answer
    x = 185,230,677.72

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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.