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Finding the Third Proportional to 18,728,464,218 and 27,059,396,610

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Solution

The third proportional to 18,728,464,218 and 27,059,396,610 is: 39,096,155,262.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,728,464,218 : 27,059,396,610 = 27,059,396,610 : x
  2. Step 2: Convert to fraction form
    18,728,464,218/27,059,396,610 = 27,059,396,610/x
  3. Step 3: Cross multiply
    18,728,464,218x = 27,059,396,610 × 27,059,396,610
  4. Step 4: Simplify right side
    18,728,464,218x = 732,210,944,897,279,459,328
  5. Step 5: Solve for x
    x = 732,210,944,897,279,459,328/18,728,464,218
  6. Step 6: Final answer
    x = 39,096,155,262.62

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.