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Finding the Third Proportional to 3,149.63 and 4,815.75

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Solution

The third proportional to 3,149.63 and 4,815.75 is: 7,363.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.63 : 4,815.75 = 4,815.75 : x
  2. Step 2: Convert to fraction form
    3,149.63/4,815.75 = 4,815.75/x
  3. Step 3: Cross multiply
    3,149.63x = 4,815.75 × 4,815.75
  4. Step 4: Simplify right side
    3,149.63x = 23,191,448.06
  5. Step 5: Solve for x
    x = 23,191,448.06/3,149.63
  6. Step 6: Final answer
    x = 7,363.24

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.