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Finding the Third Proportional to 239,544 and 521,586

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Solution

The third proportional to 239,544 and 521,586 is: 1,135,707.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,544 : 521,586 = 521,586 : x
  2. Step 2: Convert to fraction form
    239,544/521,586 = 521,586/x
  3. Step 3: Cross multiply
    239,544x = 521,586 × 521,586
  4. Step 4: Simplify right side
    239,544x = 272,051,955,396
  5. Step 5: Solve for x
    x = 272,051,955,396/239,544
  6. Step 6: Final answer
    x = 1,135,707.66

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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.