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Finding the Third Proportional to 8,288 and 19,580

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Solution

The third proportional to 8,288 and 19,580 is: 46,256.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,288 : 19,580 = 19,580 : x
  2. Step 2: Convert to fraction form
    8,288/19,580 = 19,580/x
  3. Step 3: Cross multiply
    8,288x = 19,580 × 19,580
  4. Step 4: Simplify right side
    8,288x = 383,376,400
  5. Step 5: Solve for x
    x = 383,376,400/8,288
  6. Step 6: Final answer
    x = 46,256.81

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.