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Finding the Third Proportional to 20,299,288.50 and 47,902,686.75

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Solution

The third proportional to 20,299,288.50 and 47,902,686.75 is: 113,041,764.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,299,288.50 : 47,902,686.75 = 47,902,686.75 : x
  2. Step 2: Convert to fraction form
    20,299,288.50/47,902,686.75 = 47,902,686.75/x
  3. Step 3: Cross multiply
    20,299,288.50x = 47,902,686.75 × 47,902,686.75
  4. Step 4: Simplify right side
    20,299,288.50x = 2,294,667,397,868,625.50
  5. Step 5: Solve for x
    x = 2,294,667,397,868,625.50/20,299,288.50
  6. Step 6: Final answer
    x = 113,041,764.88

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.