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Finding the Third Proportional to 67,626 and 105,125

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Solution

The third proportional to 67,626 and 105,125 is: 163,417.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,626 : 105,125 = 105,125 : x
  2. Step 2: Convert to fraction form
    67,626/105,125 = 105,125/x
  3. Step 3: Cross multiply
    67,626x = 105,125 × 105,125
  4. Step 4: Simplify right side
    67,626x = 11,051,265,625
  5. Step 5: Solve for x
    x = 11,051,265,625/67,626
  6. Step 6: Final answer
    x = 163,417.41

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.