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Finding the Third Proportional to 7,930,605,917 and 11,998,074,258

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Solution

The third proportional to 7,930,605,917 and 11,998,074,258 is: 18,151,675,597.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,930,605,917 : 11,998,074,258 = 11,998,074,258 : x
  2. Step 2: Convert to fraction form
    7,930,605,917/11,998,074,258 = 11,998,074,258/x
  3. Step 3: Cross multiply
    7,930,605,917x = 11,998,074,258 × 11,998,074,258
  4. Step 4: Simplify right side
    7,930,605,917x = 143,953,785,900,482,248,704
  5. Step 5: Solve for x
    x = 143,953,785,900,482,248,704/7,930,605,917
  6. Step 6: Final answer
    x = 18,151,675,597.94

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.