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Finding the Third Proportional to 251,778 and 547,380

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Solution

The third proportional to 251,778 and 547,380 is: 1,190,035.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,778 : 547,380 = 547,380 : x
  2. Step 2: Convert to fraction form
    251,778/547,380 = 547,380/x
  3. Step 3: Cross multiply
    251,778x = 547,380 × 547,380
  4. Step 4: Simplify right side
    251,778x = 299,624,864,400
  5. Step 5: Solve for x
    x = 299,624,864,400/251,778
  6. Step 6: Final answer
    x = 1,190,035.92

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.