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Finding the Third Proportional to 20,529,150 and 31,783,881

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Solution

The third proportional to 20,529,150 and 31,783,881 is: 49,208,812.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,529,150 : 31,783,881 = 31,783,881 : x
  2. Step 2: Convert to fraction form
    20,529,150/31,783,881 = 31,783,881/x
  3. Step 3: Cross multiply
    20,529,150x = 31,783,881 × 31,783,881
  4. Step 4: Simplify right side
    20,529,150x = 1,010,215,091,422,161
  5. Step 5: Solve for x
    x = 1,010,215,091,422,161/20,529,150
  6. Step 6: Final answer
    x = 49,208,812.42

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.