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Finding the Third Proportional to 571.43 and 803.04

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Solution

The third proportional to 571.43 and 803.04 is: 1,128.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    571.43 : 803.04 = 803.04 : x
  2. Step 2: Convert to fraction form
    571.43/803.04 = 803.04/x
  3. Step 3: Cross multiply
    571.43x = 803.04 × 803.04
  4. Step 4: Simplify right side
    571.43x = 644,871.74
  5. Step 5: Solve for x
    x = 644,871.74/571.43
  6. Step 6: Final answer
    x = 1,128.52

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.