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Finding the Third Proportional to 13,554,891 and 20,361,928.50

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Solution

The third proportional to 13,554,891 and 20,361,928.50 is: 30,587,345.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554,891 : 20,361,928.50 = 20,361,928.50 : x
  2. Step 2: Convert to fraction form
    13,554,891/20,361,928.50 = 20,361,928.50/x
  3. Step 3: Cross multiply
    13,554,891x = 20,361,928.50 × 20,361,928.50
  4. Step 4: Simplify right side
    13,554,891x = 414,608,132,239,112.25
  5. Step 5: Solve for x
    x = 414,608,132,239,112.25/13,554,891
  6. Step 6: Final answer
    x = 30,587,345.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.