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Finding the Third Proportional to 121,383 and 264,485

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Solution

The third proportional to 121,383 and 264,485 is: 576,294.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,383 : 264,485 = 264,485 : x
  2. Step 2: Convert to fraction form
    121,383/264,485 = 264,485/x
  3. Step 3: Cross multiply
    121,383x = 264,485 × 264,485
  4. Step 4: Simplify right side
    121,383x = 69,952,315,225
  5. Step 5: Solve for x
    x = 69,952,315,225/121,383
  6. Step 6: Final answer
    x = 576,294.17

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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.