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Finding the Third Proportional to 22,207 and 47,290

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Solution

The third proportional to 22,207 and 47,290 is: 100,704.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,207 : 47,290 = 47,290 : x
  2. Step 2: Convert to fraction form
    22,207/47,290 = 47,290/x
  3. Step 3: Cross multiply
    22,207x = 47,290 × 47,290
  4. Step 4: Simplify right side
    22,207x = 2,236,344,100
  5. Step 5: Solve for x
    x = 2,236,344,100/22,207
  6. Step 6: Final answer
    x = 100,704.47

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.