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Finding the Third Proportional to 2,428.75 and 5,332.75

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Solution

The third proportional to 2,428.75 and 5,332.75 is: 11,709.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428.75 : 5,332.75 = 5,332.75 : x
  2. Step 2: Convert to fraction form
    2,428.75/5,332.75 = 5,332.75/x
  3. Step 3: Cross multiply
    2,428.75x = 5,332.75 × 5,332.75
  4. Step 4: Simplify right side
    2,428.75x = 28,438,222.56
  5. Step 5: Solve for x
    x = 28,438,222.56/2,428.75
  6. Step 6: Final answer
    x = 11,709.00

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.