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Finding the Third Proportional to 13,458,520 and 20,182,838

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Solution

The third proportional to 13,458,520 and 20,182,838 is: 30,266,845.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,458,520 : 20,182,838 = 20,182,838 : x
  2. Step 2: Convert to fraction form
    13,458,520/20,182,838 = 20,182,838/x
  3. Step 3: Cross multiply
    13,458,520x = 20,182,838 × 20,182,838
  4. Step 4: Simplify right side
    13,458,520x = 407,346,949,734,244
  5. Step 5: Solve for x
    x = 407,346,949,734,244/13,458,520
  6. Step 6: Final answer
    x = 30,266,845.81

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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.