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Finding the Third Proportional to 192,618 and 296,217

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Solution

The third proportional to 192,618 and 296,217 is: 455,536.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,618 : 296,217 = 296,217 : x
  2. Step 2: Convert to fraction form
    192,618/296,217 = 296,217/x
  3. Step 3: Cross multiply
    192,618x = 296,217 × 296,217
  4. Step 4: Simplify right side
    192,618x = 87,744,511,089
  5. Step 5: Solve for x
    x = 87,744,511,089/192,618
  6. Step 6: Final answer
    x = 455,536.40

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.