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Finding the Third Proportional to 10,306 and 22,212

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Solution

The third proportional to 10,306 and 22,212 is: 47,872.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,306 : 22,212 = 22,212 : x
  2. Step 2: Convert to fraction form
    10,306/22,212 = 22,212/x
  3. Step 3: Cross multiply
    10,306x = 22,212 × 22,212
  4. Step 4: Simplify right side
    10,306x = 493,372,944
  5. Step 5: Solve for x
    x = 493,372,944/10,306
  6. Step 6: Final answer
    x = 47,872.40

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.