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Finding the Third Proportional to 77,748 and 118,874

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Solution

The third proportional to 77,748 and 118,874 is: 181,754.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,748 : 118,874 = 118,874 : x
  2. Step 2: Convert to fraction form
    77,748/118,874 = 118,874/x
  3. Step 3: Cross multiply
    77,748x = 118,874 × 118,874
  4. Step 4: Simplify right side
    77,748x = 14,131,027,876
  5. Step 5: Solve for x
    x = 14,131,027,876/77,748
  6. Step 6: Final answer
    x = 181,754.23

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.