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Finding the Third Proportional to 77,850 and 110,942

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Solution

The third proportional to 77,850 and 110,942 is: 158,100.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,850 : 110,942 = 110,942 : x
  2. Step 2: Convert to fraction form
    77,850/110,942 = 110,942/x
  3. Step 3: Cross multiply
    77,850x = 110,942 × 110,942
  4. Step 4: Simplify right side
    77,850x = 12,308,127,364
  5. Step 5: Solve for x
    x = 12,308,127,364/77,850
  6. Step 6: Final answer
    x = 158,100.54

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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.