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Finding the Third Proportional to 3,228,693 and 7,087,147.50

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Solution

The third proportional to 3,228,693 and 7,087,147.50 is: 15,556,653.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228,693 : 7,087,147.50 = 7,087,147.50 : x
  2. Step 2: Convert to fraction form
    3,228,693/7,087,147.50 = 7,087,147.50/x
  3. Step 3: Cross multiply
    3,228,693x = 7,087,147.50 × 7,087,147.50
  4. Step 4: Simplify right side
    3,228,693x = 50,227,659,686,756.25
  5. Step 5: Solve for x
    x = 50,227,659,686,756.25/3,228,693
  6. Step 6: Final answer
    x = 15,556,653.94

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.