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Finding the Third Proportional to 7,276.50 and 19,122.75

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Solution

The third proportional to 7,276.50 and 19,122.75 is: 50,254.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,276.50 : 19,122.75 = 19,122.75 : x
  2. Step 2: Convert to fraction form
    7,276.50/19,122.75 = 19,122.75/x
  3. Step 3: Cross multiply
    7,276.50x = 19,122.75 × 19,122.75
  4. Step 4: Simplify right side
    7,276.50x = 365,679,567.56
  5. Step 5: Solve for x
    x = 365,679,567.56/7,276.50
  6. Step 6: Final answer
    x = 50,254.87

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Why These Related Problems?

These problems maintain the same ratio (2.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.