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Finding the Third Proportional to 7,278,082 and 11,415,759

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Solution

The third proportional to 7,278,082 and 11,415,759 is: 17,905,755.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278,082 : 11,415,759 = 11,415,759 : x
  2. Step 2: Convert to fraction form
    7,278,082/11,415,759 = 11,415,759/x
  3. Step 3: Cross multiply
    7,278,082x = 11,415,759 × 11,415,759
  4. Step 4: Simplify right side
    7,278,082x = 130,319,553,546,081
  5. Step 5: Solve for x
    x = 130,319,553,546,081/7,278,082
  6. Step 6: Final answer
    x = 17,905,755.05

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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.