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Finding the Third Proportional to 4,809,304.13 and 7,189,944.75

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Solution

The third proportional to 4,809,304.13 and 7,189,944.75 is: 10,749,019.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,809,304.13 : 7,189,944.75 = 7,189,944.75 : x
  2. Step 2: Convert to fraction form
    4,809,304.13/7,189,944.75 = 7,189,944.75/x
  3. Step 3: Cross multiply
    4,809,304.13x = 7,189,944.75 × 7,189,944.75
  4. Step 4: Simplify right side
    4,809,304.13x = 51,695,305,508,052.56
  5. Step 5: Solve for x
    x = 51,695,305,508,052.56/4,809,304.13
  6. Step 6: Final answer
    x = 10,749,019.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.