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Finding the Third Proportional to 2,020.50 and 4,359.75

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Solution

The third proportional to 2,020.50 and 4,359.75 is: 9,407.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020.50 : 4,359.75 = 4,359.75 : x
  2. Step 2: Convert to fraction form
    2,020.50/4,359.75 = 4,359.75/x
  3. Step 3: Cross multiply
    2,020.50x = 4,359.75 × 4,359.75
  4. Step 4: Simplify right side
    2,020.50x = 19,007,420.06
  5. Step 5: Solve for x
    x = 19,007,420.06/2,020.50
  6. Step 6: Final answer
    x = 9,407.29

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.