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Finding the Third Proportional to 12,510,954,690 and 18,357,428,667

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Solution

The third proportional to 12,510,954,690 and 18,357,428,667 is: 26,936,008,930.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,510,954,690 : 18,357,428,667 = 18,357,428,667 : x
  2. Step 2: Convert to fraction form
    12,510,954,690/18,357,428,667 = 18,357,428,667/x
  3. Step 3: Cross multiply
    12,510,954,690x = 18,357,428,667 × 18,357,428,667
  4. Step 4: Simplify right side
    12,510,954,690x = 336,995,187,263,993,413,632
  5. Step 5: Solve for x
    x = 336,995,187,263,993,413,632/12,510,954,690
  6. Step 6: Final answer
    x = 26,936,008,930.91

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.