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Finding the Third Proportional to 238,632 and 519,318

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Solution

The third proportional to 238,632 and 519,318 is: 1,130,155.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,632 : 519,318 = 519,318 : x
  2. Step 2: Convert to fraction form
    238,632/519,318 = 519,318/x
  3. Step 3: Cross multiply
    238,632x = 519,318 × 519,318
  4. Step 4: Simplify right side
    238,632x = 269,691,185,124
  5. Step 5: Solve for x
    x = 269,691,185,124/238,632
  6. Step 6: Final answer
    x = 1,130,155.16

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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.