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Finding the Third Proportional to 90,784,836.50 and 188,029,450

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Solution

The third proportional to 90,784,836.50 and 188,029,450 is: 389,438,098.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,784,836.50 : 188,029,450 = 188,029,450 : x
  2. Step 2: Convert to fraction form
    90,784,836.50/188,029,450 = 188,029,450/x
  3. Step 3: Cross multiply
    90,784,836.50x = 188,029,450 × 188,029,450
  4. Step 4: Simplify right side
    90,784,836.50x = 35,355,074,067,302,500
  5. Step 5: Solve for x
    x = 35,355,074,067,302,500/90,784,836.50
  6. Step 6: Final answer
    x = 389,438,098.15

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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.