Home / 3,923,136.28-8,447,412.80

Finding the Third Proportional to 3,923,136.28 and 8,447,412.80

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Solution

The third proportional to 3,923,136.28 and 8,447,412.80 is: 18,189,218.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923,136.28 : 8,447,412.80 = 8,447,412.80 : x
  2. Step 2: Convert to fraction form
    3,923,136.28/8,447,412.80 = 8,447,412.80/x
  3. Step 3: Cross multiply
    3,923,136.28x = 8,447,412.80 × 8,447,412.80
  4. Step 4: Simplify right side
    3,923,136.28x = 71,358,782,960,807.52
  5. Step 5: Solve for x
    x = 71,358,782,960,807.52/3,923,136.28
  6. Step 6: Final answer
    x = 18,189,218.48

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.