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Finding the Third Proportional to 135,988 and 296,170

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Solution

The third proportional to 135,988 and 296,170 is: 645,032.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,988 : 296,170 = 296,170 : x
  2. Step 2: Convert to fraction form
    135,988/296,170 = 296,170/x
  3. Step 3: Cross multiply
    135,988x = 296,170 × 296,170
  4. Step 4: Simplify right side
    135,988x = 87,716,668,900
  5. Step 5: Solve for x
    x = 87,716,668,900/135,988
  6. Step 6: Final answer
    x = 645,032.42

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.