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Finding the Third Proportional to 7,173 and 7,800.75

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Solution

The third proportional to 7,173 and 7,800.75 is: 8,483.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,173 : 7,800.75 = 7,800.75 : x
  2. Step 2: Convert to fraction form
    7,173/7,800.75 = 7,800.75/x
  3. Step 3: Cross multiply
    7,173x = 7,800.75 × 7,800.75
  4. Step 4: Simplify right side
    7,173x = 60,851,700.56
  5. Step 5: Solve for x
    x = 60,851,700.56/7,173
  6. Step 6: Final answer
    x = 8,483.44

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.