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Finding the Third Proportional to 275,264 and 402,274

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Solution

The third proportional to 275,264 and 402,274 is: 587,887.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,264 : 402,274 = 402,274 : x
  2. Step 2: Convert to fraction form
    275,264/402,274 = 402,274/x
  3. Step 3: Cross multiply
    275,264x = 402,274 × 402,274
  4. Step 4: Simplify right side
    275,264x = 161,824,371,076
  5. Step 5: Solve for x
    x = 161,824,371,076/275,264
  6. Step 6: Final answer
    x = 587,887.89

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.