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Finding the Third Proportional to 14,390 and 22,611

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Solution

The third proportional to 14,390 and 22,611 is: 35,528.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,390 : 22,611 = 22,611 : x
  2. Step 2: Convert to fraction form
    14,390/22,611 = 22,611/x
  3. Step 3: Cross multiply
    14,390x = 22,611 × 22,611
  4. Step 4: Simplify right side
    14,390x = 511,257,321
  5. Step 5: Solve for x
    x = 511,257,321/14,390
  6. Step 6: Final answer
    x = 35,528.65

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.