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Finding the Third Proportional to 5,618,423.25 and 8,412,255

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Solution

The third proportional to 5,618,423.25 and 8,412,255 is: 12,595,354.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618,423.25 : 8,412,255 = 8,412,255 : x
  2. Step 2: Convert to fraction form
    5,618,423.25/8,412,255 = 8,412,255/x
  3. Step 3: Cross multiply
    5,618,423.25x = 8,412,255 × 8,412,255
  4. Step 4: Simplify right side
    5,618,423.25x = 70,766,034,185,025
  5. Step 5: Solve for x
    x = 70,766,034,185,025/5,618,423.25
  6. Step 6: Final answer
    x = 12,595,354.79

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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.