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Finding the Third Proportional to 20,149,099.50 and 30,392,230.50

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Solution

The third proportional to 20,149,099.50 and 30,392,230.50 is: 45,842,628.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,149,099.50 : 30,392,230.50 = 30,392,230.50 : x
  2. Step 2: Convert to fraction form
    20,149,099.50/30,392,230.50 = 30,392,230.50/x
  3. Step 3: Cross multiply
    20,149,099.50x = 30,392,230.50 × 30,392,230.50
  4. Step 4: Simplify right side
    20,149,099.50x = 923,687,674,765,130.25
  5. Step 5: Solve for x
    x = 923,687,674,765,130.25/20,149,099.50
  6. Step 6: Final answer
    x = 45,842,628.09

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.