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Finding the Third Proportional to 8,792.25 and 18,664.50

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Solution

The third proportional to 8,792.25 and 18,664.50 is: 39,621.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,792.25 : 18,664.50 = 18,664.50 : x
  2. Step 2: Convert to fraction form
    8,792.25/18,664.50 = 18,664.50/x
  3. Step 3: Cross multiply
    8,792.25x = 18,664.50 × 18,664.50
  4. Step 4: Simplify right side
    8,792.25x = 348,363,560.25
  5. Step 5: Solve for x
    x = 348,363,560.25/8,792.25
  6. Step 6: Final answer
    x = 39,621.66

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.