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Finding the Third Proportional to 25,843 and 39,732

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Solution

The third proportional to 25,843 and 39,732 is: 61,085.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,843 : 39,732 = 39,732 : x
  2. Step 2: Convert to fraction form
    25,843/39,732 = 39,732/x
  3. Step 3: Cross multiply
    25,843x = 39,732 × 39,732
  4. Step 4: Simplify right side
    25,843x = 1,578,631,824
  5. Step 5: Solve for x
    x = 1,578,631,824/25,843
  6. Step 6: Final answer
    x = 61,085.47

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.