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Finding the Third Proportional to 303,540 and 437,261

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Solution

The third proportional to 303,540 and 437,261 is: 629,891.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,540 : 437,261 = 437,261 : x
  2. Step 2: Convert to fraction form
    303,540/437,261 = 437,261/x
  3. Step 3: Cross multiply
    303,540x = 437,261 × 437,261
  4. Step 4: Simplify right side
    303,540x = 191,197,182,121
  5. Step 5: Solve for x
    x = 191,197,182,121/303,540
  6. Step 6: Final answer
    x = 629,891.22

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.