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Finding the Third Proportional to 8,538,743 and 13,207,127

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Solution

The third proportional to 8,538,743 and 13,207,127 is: 20,427,854.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538,743 : 13,207,127 = 13,207,127 : x
  2. Step 2: Convert to fraction form
    8,538,743/13,207,127 = 13,207,127/x
  3. Step 3: Cross multiply
    8,538,743x = 13,207,127 × 13,207,127
  4. Step 4: Simplify right side
    8,538,743x = 174,428,203,594,129
  5. Step 5: Solve for x
    x = 174,428,203,594,129/8,538,743
  6. Step 6: Final answer
    x = 20,427,854.97

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.