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Finding the Third Proportional to 10,157 and 16,220

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Solution

The third proportional to 10,157 and 16,220 is: 25,902.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,157 : 16,220 = 16,220 : x
  2. Step 2: Convert to fraction form
    10,157/16,220 = 16,220/x
  3. Step 3: Cross multiply
    10,157x = 16,220 × 16,220
  4. Step 4: Simplify right side
    10,157x = 263,088,400
  5. Step 5: Solve for x
    x = 263,088,400/10,157
  6. Step 6: Final answer
    x = 25,902.18

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.