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Finding the Third Proportional to 10,912 and 22,148

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Solution

The third proportional to 10,912 and 22,148 is: 44,953.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,912 : 22,148 = 22,148 : x
  2. Step 2: Convert to fraction form
    10,912/22,148 = 22,148/x
  3. Step 3: Cross multiply
    10,912x = 22,148 × 22,148
  4. Step 4: Simplify right side
    10,912x = 490,533,904
  5. Step 5: Solve for x
    x = 490,533,904/10,912
  6. Step 6: Final answer
    x = 44,953.62

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.