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Finding the Third Proportional to 4,044,927.75 and 8,690,187

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Solution

The third proportional to 4,044,927.75 and 8,690,187 is: 18,670,135.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,044,927.75 : 8,690,187 = 8,690,187 : x
  2. Step 2: Convert to fraction form
    4,044,927.75/8,690,187 = 8,690,187/x
  3. Step 3: Cross multiply
    4,044,927.75x = 8,690,187 × 8,690,187
  4. Step 4: Simplify right side
    4,044,927.75x = 75,519,350,094,969
  5. Step 5: Solve for x
    x = 75,519,350,094,969/4,044,927.75
  6. Step 6: Final answer
    x = 18,670,135.73

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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.