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Finding the Third Proportional to 18,390 and 24,661

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Solution

The third proportional to 18,390 and 24,661 is: 33,070.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,390 : 24,661 = 24,661 : x
  2. Step 2: Convert to fraction form
    18,390/24,661 = 24,661/x
  3. Step 3: Cross multiply
    18,390x = 24,661 × 24,661
  4. Step 4: Simplify right side
    18,390x = 608,164,921
  5. Step 5: Solve for x
    x = 608,164,921/18,390
  6. Step 6: Final answer
    x = 33,070.41

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.