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Finding the Third Proportional to 10,255 and 22,157

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Solution

The third proportional to 10,255 and 22,157 is: 47,872.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,255 : 22,157 = 22,157 : x
  2. Step 2: Convert to fraction form
    10,255/22,157 = 22,157/x
  3. Step 3: Cross multiply
    10,255x = 22,157 × 22,157
  4. Step 4: Simplify right side
    10,255x = 490,932,649
  5. Step 5: Solve for x
    x = 490,932,649/10,255
  6. Step 6: Final answer
    x = 47,872.52

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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.