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Finding the Third Proportional to 12,602 and 20,750

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Solution

The third proportional to 12,602 and 20,750 is: 34,166.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,602 : 20,750 = 20,750 : x
  2. Step 2: Convert to fraction form
    12,602/20,750 = 20,750/x
  3. Step 3: Cross multiply
    12,602x = 20,750 × 20,750
  4. Step 4: Simplify right side
    12,602x = 430,562,500
  5. Step 5: Solve for x
    x = 430,562,500/12,602
  6. Step 6: Final answer
    x = 34,166.20

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Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.