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Finding the Third Proportional to 369,144 and 543,348

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Solution

The third proportional to 369,144 and 543,348 is: 799,761.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,144 : 543,348 = 543,348 : x
  2. Step 2: Convert to fraction form
    369,144/543,348 = 543,348/x
  3. Step 3: Cross multiply
    369,144x = 543,348 × 543,348
  4. Step 4: Simplify right side
    369,144x = 295,227,049,104
  5. Step 5: Solve for x
    x = 295,227,049,104/369,144
  6. Step 6: Final answer
    x = 799,761.20

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.