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Finding the Third Proportional to 14,031,986.50 and 20,990,760

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Solution

The third proportional to 14,031,986.50 and 20,990,760 is: 31,400,543.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,031,986.50 : 20,990,760 = 20,990,760 : x
  2. Step 2: Convert to fraction form
    14,031,986.50/20,990,760 = 20,990,760/x
  3. Step 3: Cross multiply
    14,031,986.50x = 20,990,760 × 20,990,760
  4. Step 4: Simplify right side
    14,031,986.50x = 440,612,005,377,600
  5. Step 5: Solve for x
    x = 440,612,005,377,600/14,031,986.50
  6. Step 6: Final answer
    x = 31,400,543.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.