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Finding the Third Proportional to 13,062,789.75 and 18,270,489

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Solution

The third proportional to 13,062,789.75 and 18,270,489 is: 25,554,324.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,062,789.75 : 18,270,489 = 18,270,489 : x
  2. Step 2: Convert to fraction form
    13,062,789.75/18,270,489 = 18,270,489/x
  3. Step 3: Cross multiply
    13,062,789.75x = 18,270,489 × 18,270,489
  4. Step 4: Simplify right side
    13,062,789.75x = 333,810,768,299,121
  5. Step 5: Solve for x
    x = 333,810,768,299,121/13,062,789.75
  6. Step 6: Final answer
    x = 25,554,324.51

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.