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Finding the Third Proportional to 238,660 and 519,376

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Solution

The third proportional to 238,660 and 519,376 is: 1,130,274.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,660 : 519,376 = 519,376 : x
  2. Step 2: Convert to fraction form
    238,660/519,376 = 519,376/x
  3. Step 3: Cross multiply
    238,660x = 519,376 × 519,376
  4. Step 4: Simplify right side
    238,660x = 269,751,429,376
  5. Step 5: Solve for x
    x = 269,751,429,376/238,660
  6. Step 6: Final answer
    x = 1,130,274.99

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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.