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Finding the Third Proportional to 12,570 and 16,611

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Solution

The third proportional to 12,570 and 16,611 is: 21,951.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,570 : 16,611 = 16,611 : x
  2. Step 2: Convert to fraction form
    12,570/16,611 = 16,611/x
  3. Step 3: Cross multiply
    12,570x = 16,611 × 16,611
  4. Step 4: Simplify right side
    12,570x = 275,925,321
  5. Step 5: Solve for x
    x = 275,925,321/12,570
  6. Step 6: Final answer
    x = 21,951.10

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.