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Finding the Third Proportional to 408,148.88 and 887,136.05

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Solution

The third proportional to 408,148.88 and 887,136.05 is: 1,928,243.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,148.88 : 887,136.05 = 887,136.05 : x
  2. Step 2: Convert to fraction form
    408,148.88/887,136.05 = 887,136.05/x
  3. Step 3: Cross multiply
    408,148.88x = 887,136.05 × 887,136.05
  4. Step 4: Simplify right side
    408,148.88x = 787,010,365,665.00
  5. Step 5: Solve for x
    x = 787,010,365,665.00/408,148.88
  6. Step 6: Final answer
    x = 1,928,243.38

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.