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Finding the Third Proportional to 123,249 and 265,491

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Solution

The third proportional to 123,249 and 265,491 is: 571,894.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,249 : 265,491 = 265,491 : x
  2. Step 2: Convert to fraction form
    123,249/265,491 = 265,491/x
  3. Step 3: Cross multiply
    123,249x = 265,491 × 265,491
  4. Step 4: Simplify right side
    123,249x = 70,485,471,081
  5. Step 5: Solve for x
    x = 70,485,471,081/123,249
  6. Step 6: Final answer
    x = 571,894.87

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.