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Finding the Third Proportional to 3,012.75 and 4,492.69

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Solution

The third proportional to 3,012.75 and 4,492.69 is: 6,699.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.75 : 4,492.69 = 4,492.69 : x
  2. Step 2: Convert to fraction form
    3,012.75/4,492.69 = 4,492.69/x
  3. Step 3: Cross multiply
    3,012.75x = 4,492.69 × 4,492.69
  4. Step 4: Simplify right side
    3,012.75x = 20,184,240.97
  5. Step 5: Solve for x
    x = 20,184,240.97/3,012.75
  6. Step 6: Final answer
    x = 6,699.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.