Home / 78,632,805.38-123,082,922.25

Finding the Third Proportional to 78,632,805.38 and 123,082,922.25

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Solution

The third proportional to 78,632,805.38 and 123,082,922.25 is: 192,660,120.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,632,805.38 : 123,082,922.25 = 123,082,922.25 : x
  2. Step 2: Convert to fraction form
    78,632,805.38/123,082,922.25 = 123,082,922.25/x
  3. Step 3: Cross multiply
    78,632,805.38x = 123,082,922.25 × 123,082,922.25
  4. Step 4: Simplify right side
    78,632,805.38x = 15,149,405,749,599,546
  5. Step 5: Solve for x
    x = 15,149,405,749,599,546/78,632,805.38
  6. Step 6: Final answer
    x = 192,660,120.38

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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.