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Finding the Third Proportional to 8,895 and 20,590

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Solution

The third proportional to 8,895 and 20,590 is: 47,661.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,895 : 20,590 = 20,590 : x
  2. Step 2: Convert to fraction form
    8,895/20,590 = 20,590/x
  3. Step 3: Cross multiply
    8,895x = 20,590 × 20,590
  4. Step 4: Simplify right side
    8,895x = 423,948,100
  5. Step 5: Solve for x
    x = 423,948,100/8,895
  6. Step 6: Final answer
    x = 47,661.39

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.