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Finding the Third Proportional to 40,555 and 54,248

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Solution

The third proportional to 40,555 and 54,248 is: 72,564.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,555 : 54,248 = 54,248 : x
  2. Step 2: Convert to fraction form
    40,555/54,248 = 54,248/x
  3. Step 3: Cross multiply
    40,555x = 54,248 × 54,248
  4. Step 4: Simplify right side
    40,555x = 2,942,845,504
  5. Step 5: Solve for x
    x = 2,942,845,504/40,555
  6. Step 6: Final answer
    x = 72,564.31

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.