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Finding the Third Proportional to 90,784,849 and 188,029,479.50

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Solution

The third proportional to 90,784,849 and 188,029,479.50 is: 389,438,166.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,784,849 : 188,029,479.50 = 188,029,479.50 : x
  2. Step 2: Convert to fraction form
    90,784,849/188,029,479.50 = 188,029,479.50/x
  3. Step 3: Cross multiply
    90,784,849x = 188,029,479.50 × 188,029,479.50
  4. Step 4: Simplify right side
    90,784,849x = 35,355,085,161,040,920
  5. Step 5: Solve for x
    x = 35,355,085,161,040,920/90,784,849
  6. Step 6: Final answer
    x = 389,438,166.73

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.