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Finding the Third Proportional to 571.13 and 1,130.25

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Solution

The third proportional to 571.13 and 1,130.25 is: 2,236.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    571.13 : 1,130.25 = 1,130.25 : x
  2. Step 2: Convert to fraction form
    571.13/1,130.25 = 1,130.25/x
  3. Step 3: Cross multiply
    571.13x = 1,130.25 × 1,130.25
  4. Step 4: Simplify right side
    571.13x = 1,277,465.06
  5. Step 5: Solve for x
    x = 1,277,465.06/571.13
  6. Step 6: Final answer
    x = 2,236.75

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Why These Related Problems?

These problems maintain the same ratio (1.98) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.