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Finding the Third Proportional to 8,755.25 and 19,454.50

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Solution

The third proportional to 8,755.25 and 19,454.50 is: 43,228.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.25 : 19,454.50 = 19,454.50 : x
  2. Step 2: Convert to fraction form
    8,755.25/19,454.50 = 19,454.50/x
  3. Step 3: Cross multiply
    8,755.25x = 19,454.50 × 19,454.50
  4. Step 4: Simplify right side
    8,755.25x = 378,477,570.25
  5. Step 5: Solve for x
    x = 378,477,570.25/8,755.25
  6. Step 6: Final answer
    x = 43,228.64

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.