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Finding the Third Proportional to 7,205.63 and 9,132.75

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Solution

The third proportional to 7,205.63 and 9,132.75 is: 11,575.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,205.63 : 9,132.75 = 9,132.75 : x
  2. Step 2: Convert to fraction form
    7,205.63/9,132.75 = 9,132.75/x
  3. Step 3: Cross multiply
    7,205.63x = 9,132.75 × 9,132.75
  4. Step 4: Simplify right side
    7,205.63x = 83,407,122.56
  5. Step 5: Solve for x
    x = 83,407,122.56/7,205.63
  6. Step 6: Final answer
    x = 11,575.28

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Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.