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Finding the Third Proportional to 13,720,139.25 and 18,813,350.25

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Solution

The third proportional to 13,720,139.25 and 18,813,350.25 is: 25,797,270.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,720,139.25 : 18,813,350.25 = 18,813,350.25 : x
  2. Step 2: Convert to fraction form
    13,720,139.25/18,813,350.25 = 18,813,350.25/x
  3. Step 3: Cross multiply
    13,720,139.25x = 18,813,350.25 × 18,813,350.25
  4. Step 4: Simplify right side
    13,720,139.25x = 353,942,147,629,175.06
  5. Step 5: Solve for x
    x = 353,942,147,629,175.06/13,720,139.25
  6. Step 6: Final answer
    x = 25,797,270.80

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.