Home / 68,510,850.47-140,653,667.21

Finding the Third Proportional to 68,510,850.47 and 140,653,667.21

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Solution

The third proportional to 68,510,850.47 and 140,653,667.21 is: 288,763,808.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,510,850.47 : 140,653,667.21 = 140,653,667.21 : x
  2. Step 2: Convert to fraction form
    68,510,850.47/140,653,667.21 = 140,653,667.21/x
  3. Step 3: Cross multiply
    68,510,850.47x = 140,653,667.21 × 140,653,667.21
  4. Step 4: Simplify right side
    68,510,850.47x = 19,783,454,100,985,772
  5. Step 5: Solve for x
    x = 19,783,454,100,985,772/68,510,850.47
  6. Step 6: Final answer
    x = 288,763,808.44

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.