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Finding the Third Proportional to 8,548 and 20,290

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Solution

The third proportional to 8,548 and 20,290 is: 48,161.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,548 : 20,290 = 20,290 : x
  2. Step 2: Convert to fraction form
    8,548/20,290 = 20,290/x
  3. Step 3: Cross multiply
    8,548x = 20,290 × 20,290
  4. Step 4: Simplify right side
    8,548x = 411,684,100
  5. Step 5: Solve for x
    x = 411,684,100/8,548
  6. Step 6: Final answer
    x = 48,161.45

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Why These Related Problems?

These problems maintain the same ratio (2.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.