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Finding the Third Proportional to 3,967.50 and 8,562

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Solution

The third proportional to 3,967.50 and 8,562 is: 18,477.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967.50 : 8,562 = 8,562 : x
  2. Step 2: Convert to fraction form
    3,967.50/8,562 = 8,562/x
  3. Step 3: Cross multiply
    3,967.50x = 8,562 × 8,562
  4. Step 4: Simplify right side
    3,967.50x = 73,307,844
  5. Step 5: Solve for x
    x = 73,307,844/3,967.50
  6. Step 6: Final answer
    x = 18,477.09

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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.