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Finding the Third Proportional to 79,863,363.39 and 122,679,904.54

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Solution

The third proportional to 79,863,363.39 and 122,679,904.54 is: 188,451,354.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,863,363.39 : 122,679,904.54 = 122,679,904.54 : x
  2. Step 2: Convert to fraction form
    79,863,363.39/122,679,904.54 = 122,679,904.54/x
  3. Step 3: Cross multiply
    79,863,363.39x = 122,679,904.54 × 122,679,904.54
  4. Step 4: Simplify right side
    79,863,363.39x = 15,050,358,976,755,972
  5. Step 5: Solve for x
    x = 15,050,358,976,755,972/79,863,363.39
  6. Step 6: Final answer
    x = 188,451,354.14

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.