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Finding the Third Proportional to 242,892 and 512,190

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Solution

The third proportional to 242,892 and 512,190 is: 1,080,062.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,892 : 512,190 = 512,190 : x
  2. Step 2: Convert to fraction form
    242,892/512,190 = 512,190/x
  3. Step 3: Cross multiply
    242,892x = 512,190 × 512,190
  4. Step 4: Simplify right side
    242,892x = 262,338,596,100
  5. Step 5: Solve for x
    x = 262,338,596,100/242,892
  6. Step 6: Final answer
    x = 1,080,062.73

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.