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Finding the Third Proportional to 243,489 and 533,679

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Solution

The third proportional to 243,489 and 533,679 is: 1,169,717.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,489 : 533,679 = 533,679 : x
  2. Step 2: Convert to fraction form
    243,489/533,679 = 533,679/x
  3. Step 3: Cross multiply
    243,489x = 533,679 × 533,679
  4. Step 4: Simplify right side
    243,489x = 284,813,275,041
  5. Step 5: Solve for x
    x = 284,813,275,041/243,489
  6. Step 6: Final answer
    x = 1,169,717.22

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.