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Finding the Third Proportional to 7,930,605,915 and 11,998,074,255

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Solution

The third proportional to 7,930,605,915 and 11,998,074,255 is: 18,151,675,593.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,930,605,915 : 11,998,074,255 = 11,998,074,255 : x
  2. Step 2: Convert to fraction form
    7,930,605,915/11,998,074,255 = 11,998,074,255/x
  3. Step 3: Cross multiply
    7,930,605,915x = 11,998,074,255 × 11,998,074,255
  4. Step 4: Simplify right side
    7,930,605,915x = 143,953,785,828,493,803,520
  5. Step 5: Solve for x
    x = 143,953,785,828,493,803,520/7,930,605,915
  6. Step 6: Final answer
    x = 18,151,675,593.44

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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.