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Finding the Third Proportional to 4,092,939 and 8,912,004.75

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Solution

The third proportional to 4,092,939 and 8,912,004.75 is: 19,405,084.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,092,939 : 8,912,004.75 = 8,912,004.75 : x
  2. Step 2: Convert to fraction form
    4,092,939/8,912,004.75 = 8,912,004.75/x
  3. Step 3: Cross multiply
    4,092,939x = 8,912,004.75 × 8,912,004.75
  4. Step 4: Simplify right side
    4,092,939x = 79,423,828,664,022.56
  5. Step 5: Solve for x
    x = 79,423,828,664,022.56/4,092,939
  6. Step 6: Final answer
    x = 19,405,084.87

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.