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Finding the Third Proportional to 121,248 and 264,512

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Solution

The third proportional to 121,248 and 264,512 is: 577,053.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,248 : 264,512 = 264,512 : x
  2. Step 2: Convert to fraction form
    121,248/264,512 = 264,512/x
  3. Step 3: Cross multiply
    121,248x = 264,512 × 264,512
  4. Step 4: Simplify right side
    121,248x = 69,966,598,144
  5. Step 5: Solve for x
    x = 69,966,598,144/121,248
  6. Step 6: Final answer
    x = 577,053.63

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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.