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Finding the Third Proportional to 20,894 and 43,516

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Solution

The third proportional to 20,894 and 43,516 is: 90,630.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,894 : 43,516 = 43,516 : x
  2. Step 2: Convert to fraction form
    20,894/43,516 = 43,516/x
  3. Step 3: Cross multiply
    20,894x = 43,516 × 43,516
  4. Step 4: Simplify right side
    20,894x = 1,893,642,256
  5. Step 5: Solve for x
    x = 1,893,642,256/20,894
  6. Step 6: Final answer
    x = 90,630.91

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.