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Finding the Third Proportional to 20,618,651.25 and 30,571,202.25

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Solution

The third proportional to 20,618,651.25 and 30,571,202.25 is: 45,327,814.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,618,651.25 : 30,571,202.25 = 30,571,202.25 : x
  2. Step 2: Convert to fraction form
    20,618,651.25/30,571,202.25 = 30,571,202.25/x
  3. Step 3: Cross multiply
    20,618,651.25x = 30,571,202.25 × 30,571,202.25
  4. Step 4: Simplify right side
    20,618,651.25x = 934,598,407,010,405
  5. Step 5: Solve for x
    x = 934,598,407,010,405/20,618,651.25
  6. Step 6: Final answer
    x = 45,327,814.88

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.