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Finding the Third Proportional to 1,945.79 and 4,199.14

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Solution

The third proportional to 1,945.79 and 4,199.14 is: 9,061.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945.79 : 4,199.14 = 4,199.14 : x
  2. Step 2: Convert to fraction form
    1,945.79/4,199.14 = 4,199.14/x
  3. Step 3: Cross multiply
    1,945.79x = 4,199.14 × 4,199.14
  4. Step 4: Simplify right side
    1,945.79x = 17,632,744.06
  5. Step 5: Solve for x
    x = 17,632,744.06/1,945.79
  6. Step 6: Final answer
    x = 9,061.98

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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.