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Finding the Third Proportional to 129,260 and 186,175

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Solution

The third proportional to 129,260 and 186,175 is: 268,150.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,260 : 186,175 = 186,175 : x
  2. Step 2: Convert to fraction form
    129,260/186,175 = 186,175/x
  3. Step 3: Cross multiply
    129,260x = 186,175 × 186,175
  4. Step 4: Simplify right side
    129,260x = 34,661,130,625
  5. Step 5: Solve for x
    x = 34,661,130,625/129,260
  6. Step 6: Final answer
    x = 268,150.48

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.