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Finding the Third Proportional to 18,439,230 and 26,639,209.50

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Solution

The third proportional to 18,439,230 and 26,639,209.50 is: 38,485,743.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,439,230 : 26,639,209.50 = 26,639,209.50 : x
  2. Step 2: Convert to fraction form
    18,439,230/26,639,209.50 = 26,639,209.50/x
  3. Step 3: Cross multiply
    18,439,230x = 26,639,209.50 × 26,639,209.50
  4. Step 4: Simplify right side
    18,439,230x = 709,647,482,784,890.25
  5. Step 5: Solve for x
    x = 709,647,482,784,890.25/18,439,230
  6. Step 6: Final answer
    x = 38,485,743.86

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.