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Finding the Third Proportional to 847.13 and 1,271.53

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Solution

The third proportional to 847.13 and 1,271.53 is: 1,908.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    847.13 : 1,271.53 = 1,271.53 : x
  2. Step 2: Convert to fraction form
    847.13/1,271.53 = 1,271.53/x
  3. Step 3: Cross multiply
    847.13x = 1,271.53 × 1,271.53
  4. Step 4: Simplify right side
    847.13x = 1,616,791.72
  5. Step 5: Solve for x
    x = 1,616,791.72/847.13
  6. Step 6: Final answer
    x = 1,908.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.