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Finding the Third Proportional to 173,280 and 372,345

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Solution

The third proportional to 173,280 and 372,345 is: 800,096.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,280 : 372,345 = 372,345 : x
  2. Step 2: Convert to fraction form
    173,280/372,345 = 372,345/x
  3. Step 3: Cross multiply
    173,280x = 372,345 × 372,345
  4. Step 4: Simplify right side
    173,280x = 138,640,799,025
  5. Step 5: Solve for x
    x = 138,640,799,025/173,280
  6. Step 6: Final answer
    x = 800,096.95

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.