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Finding the Third Proportional to 31,995 and 74,769

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Solution

The third proportional to 31,995 and 74,769 is: 174,727.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,995 : 74,769 = 74,769 : x
  2. Step 2: Convert to fraction form
    31,995/74,769 = 74,769/x
  3. Step 3: Cross multiply
    31,995x = 74,769 × 74,769
  4. Step 4: Simplify right side
    31,995x = 5,590,403,361
  5. Step 5: Solve for x
    x = 5,590,403,361/31,995
  6. Step 6: Final answer
    x = 174,727.41

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.