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Finding the Third Proportional to 341,515 and 513,375

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Solution

The third proportional to 341,515 and 513,375 is: 771,719.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,515 : 513,375 = 513,375 : x
  2. Step 2: Convert to fraction form
    341,515/513,375 = 513,375/x
  3. Step 3: Cross multiply
    341,515x = 513,375 × 513,375
  4. Step 4: Simplify right side
    341,515x = 263,553,890,625
  5. Step 5: Solve for x
    x = 263,553,890,625/341,515
  6. Step 6: Final answer
    x = 771,719.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.