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Finding the Third Proportional to 8,977.50 and 13,425.75

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Solution

The third proportional to 8,977.50 and 13,425.75 is: 20,078.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,977.50 : 13,425.75 = 13,425.75 : x
  2. Step 2: Convert to fraction form
    8,977.50/13,425.75 = 13,425.75/x
  3. Step 3: Cross multiply
    8,977.50x = 13,425.75 × 13,425.75
  4. Step 4: Simplify right side
    8,977.50x = 180,250,763.06
  5. Step 5: Solve for x
    x = 180,250,763.06/8,977.50
  6. Step 6: Final answer
    x = 20,078.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.