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Finding the Third Proportional to 18,728,464,211 and 27,059,396,603.50

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Solution

The third proportional to 18,728,464,211 and 27,059,396,603.50 is: 39,096,155,258.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,728,464,211 : 27,059,396,603.50 = 27,059,396,603.50 : x
  2. Step 2: Convert to fraction form
    18,728,464,211/27,059,396,603.50 = 27,059,396,603.50/x
  3. Step 3: Cross multiply
    18,728,464,211x = 27,059,396,603.50 × 27,059,396,603.50
  4. Step 4: Simplify right side
    18,728,464,211x = 732,210,944,545,507,377,152
  5. Step 5: Solve for x
    x = 732,210,944,545,507,377,152/18,728,464,211
  6. Step 6: Final answer
    x = 39,096,155,258.45

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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.