Home / 13,288,515.75-20,818,505.25

Finding the Third Proportional to 13,288,515.75 and 20,818,505.25

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Solution

The third proportional to 13,288,515.75 and 20,818,505.25 is: 32,615,392.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,288,515.75 : 20,818,505.25 = 20,818,505.25 : x
  2. Step 2: Convert to fraction form
    13,288,515.75/20,818,505.25 = 20,818,505.25/x
  3. Step 3: Cross multiply
    13,288,515.75x = 20,818,505.25 × 20,818,505.25
  4. Step 4: Simplify right side
    13,288,515.75x = 433,410,160,844,277.56
  5. Step 5: Solve for x
    x = 433,410,160,844,277.56/13,288,515.75
  6. Step 6: Final answer
    x = 32,615,392.79

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.