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Finding the Third Proportional to 102,910 and 223,861

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Solution

The third proportional to 102,910 and 223,861 is: 486,966.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,910 : 223,861 = 223,861 : x
  2. Step 2: Convert to fraction form
    102,910/223,861 = 223,861/x
  3. Step 3: Cross multiply
    102,910x = 223,861 × 223,861
  4. Step 4: Simplify right side
    102,910x = 50,113,747,321
  5. Step 5: Solve for x
    x = 50,113,747,321/102,910
  6. Step 6: Final answer
    x = 486,966.74

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.