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Finding the Third Proportional to 1,428,891 and 3,082,132.50

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Solution

The third proportional to 1,428,891 and 3,082,132.50 is: 6,648,191.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,891 : 3,082,132.50 = 3,082,132.50 : x
  2. Step 2: Convert to fraction form
    1,428,891/3,082,132.50 = 3,082,132.50/x
  3. Step 3: Cross multiply
    1,428,891x = 3,082,132.50 × 3,082,132.50
  4. Step 4: Simplify right side
    1,428,891x = 9,499,540,747,556.25
  5. Step 5: Solve for x
    x = 9,499,540,747,556.25/1,428,891
  6. Step 6: Final answer
    x = 6,648,191.32

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.