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Finding the Third Proportional to 34,578 and 78,133

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Solution

The third proportional to 34,578 and 78,133 is: 176,550.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,578 : 78,133 = 78,133 : x
  2. Step 2: Convert to fraction form
    34,578/78,133 = 78,133/x
  3. Step 3: Cross multiply
    34,578x = 78,133 × 78,133
  4. Step 4: Simplify right side
    34,578x = 6,104,765,689
  5. Step 5: Solve for x
    x = 6,104,765,689/34,578
  6. Step 6: Final answer
    x = 176,550.57

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Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.