Home / 3,418,174.69-5,291,021.25

Finding the Third Proportional to 3,418,174.69 and 5,291,021.25

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Solution

The third proportional to 3,418,174.69 and 5,291,021.25 is: 8,190,016.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418,174.69 : 5,291,021.25 = 5,291,021.25 : x
  2. Step 2: Convert to fraction form
    3,418,174.69/5,291,021.25 = 5,291,021.25/x
  3. Step 3: Cross multiply
    3,418,174.69x = 5,291,021.25 × 5,291,021.25
  4. Step 4: Simplify right side
    3,418,174.69x = 27,994,905,867,951.56
  5. Step 5: Solve for x
    x = 27,994,905,867,951.56/3,418,174.69
  6. Step 6: Final answer
    x = 8,190,016.14

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.