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Finding the Third Proportional to 3,145.50 and 3,795.19

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Solution

The third proportional to 3,145.50 and 3,795.19 is: 4,579.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145.50 : 3,795.19 = 3,795.19 : x
  2. Step 2: Convert to fraction form
    3,145.50/3,795.19 = 3,795.19/x
  3. Step 3: Cross multiply
    3,145.50x = 3,795.19 × 3,795.19
  4. Step 4: Simplify right side
    3,145.50x = 14,403,448.16
  5. Step 5: Solve for x
    x = 14,403,448.16/3,145.50
  6. Step 6: Final answer
    x = 4,579.06

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Why These Related Problems?

These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.