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Finding the Third Proportional to 43,875 and 62,739

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Solution

The third proportional to 43,875 and 62,739 is: 89,713.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,875 : 62,739 = 62,739 : x
  2. Step 2: Convert to fraction form
    43,875/62,739 = 62,739/x
  3. Step 3: Cross multiply
    43,875x = 62,739 × 62,739
  4. Step 4: Simplify right side
    43,875x = 3,936,182,121
  5. Step 5: Solve for x
    x = 3,936,182,121/43,875
  6. Step 6: Final answer
    x = 89,713.55

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.