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Finding the Third Proportional to 571.01 and 1,247.70

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Solution

The third proportional to 571.01 and 1,247.70 is: 2,726.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    571.01 : 1,247.70 = 1,247.70 : x
  2. Step 2: Convert to fraction form
    571.01/1,247.70 = 1,247.70/x
  3. Step 3: Cross multiply
    571.01x = 1,247.70 × 1,247.70
  4. Step 4: Simplify right side
    571.01x = 1,556,743.59
  5. Step 5: Solve for x
    x = 1,556,743.59/571.01
  6. Step 6: Final answer
    x = 2,726.31

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.