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Finding the Third Proportional to 1,445.06 and 3,426.19

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Solution

The third proportional to 1,445.06 and 3,426.19 is: 8,123.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445.06 : 3,426.19 = 3,426.19 : x
  2. Step 2: Convert to fraction form
    1,445.06/3,426.19 = 3,426.19/x
  3. Step 3: Cross multiply
    1,445.06x = 3,426.19 × 3,426.19
  4. Step 4: Simplify right side
    1,445.06x = 11,738,760.79
  5. Step 5: Solve for x
    x = 11,738,760.79/1,445.06
  6. Step 6: Final answer
    x = 8,123.36

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Why These Related Problems?

These problems maintain the same ratio (2.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.