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Finding the Third Proportional to 5,541.25 and 8,312

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Solution

The third proportional to 5,541.25 and 8,312 is: 12,468.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,541.25 : 8,312 = 8,312 : x
  2. Step 2: Convert to fraction form
    5,541.25/8,312 = 8,312/x
  3. Step 3: Cross multiply
    5,541.25x = 8,312 × 8,312
  4. Step 4: Simplify right side
    5,541.25x = 69,089,344
  5. Step 5: Solve for x
    x = 69,089,344/5,541.25
  6. Step 6: Final answer
    x = 12,468.19

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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.