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Finding the Third Proportional to 996.68 and 1,426.68

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Solution

The third proportional to 996.68 and 1,426.68 is: 2,042.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    996.68 : 1,426.68 = 1,426.68 : x
  2. Step 2: Convert to fraction form
    996.68/1,426.68 = 1,426.68/x
  3. Step 3: Cross multiply
    996.68x = 1,426.68 × 1,426.68
  4. Step 4: Simplify right side
    996.68x = 2,035,403.78
  5. Step 5: Solve for x
    x = 2,035,403.78/996.68
  6. Step 6: Final answer
    x = 2,042.18

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.