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Finding the Third Proportional to 18,888,708.94 and 40,047,356.81

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Solution

The third proportional to 18,888,708.94 and 40,047,356.81 is: 84,907,380.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,888,708.94 : 40,047,356.81 = 40,047,356.81 : x
  2. Step 2: Convert to fraction form
    18,888,708.94/40,047,356.81 = 40,047,356.81/x
  3. Step 3: Cross multiply
    18,888,708.94x = 40,047,356.81 × 40,047,356.81
  4. Step 4: Simplify right side
    18,888,708.94x = 1,603,790,787,667,690.25
  5. Step 5: Solve for x
    x = 1,603,790,787,667,690.25/18,888,708.94
  6. Step 6: Final answer
    x = 84,907,380.01

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.