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Finding the Third Proportional to 1,630.13 and 3,771.56

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Solution

The third proportional to 1,630.13 and 3,771.56 is: 8,726.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630.13 : 3,771.56 = 3,771.56 : x
  2. Step 2: Convert to fraction form
    1,630.13/3,771.56 = 3,771.56/x
  3. Step 3: Cross multiply
    1,630.13x = 3,771.56 × 3,771.56
  4. Step 4: Simplify right side
    1,630.13x = 14,224,683.69
  5. Step 5: Solve for x
    x = 14,224,683.69/1,630.13
  6. Step 6: Final answer
    x = 8,726.13

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.