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Finding the Third Proportional to 103,637 and 215,063

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Solution

The third proportional to 103,637 and 215,063 is: 446,289.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,637 : 215,063 = 215,063 : x
  2. Step 2: Convert to fraction form
    103,637/215,063 = 215,063/x
  3. Step 3: Cross multiply
    103,637x = 215,063 × 215,063
  4. Step 4: Simplify right side
    103,637x = 46,252,093,969
  5. Step 5: Solve for x
    x = 46,252,093,969/103,637
  6. Step 6: Final answer
    x = 446,289.39

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.