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Finding the Third Proportional to 12,942,188.44 and 20,603,515.22

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Solution

The third proportional to 12,942,188.44 and 20,603,515.22 is: 32,800,081.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,942,188.44 : 20,603,515.22 = 20,603,515.22 : x
  2. Step 2: Convert to fraction form
    12,942,188.44/20,603,515.22 = 20,603,515.22/x
  3. Step 3: Cross multiply
    12,942,188.44x = 20,603,515.22 × 20,603,515.22
  4. Step 4: Simplify right side
    12,942,188.44x = 424,504,839,369,262.88
  5. Step 5: Solve for x
    x = 424,504,839,369,262.88/12,942,188.44
  6. Step 6: Final answer
    x = 32,800,081.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.