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Finding the Third Proportional to 5,367.52 and 8,210.11

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Solution

The third proportional to 5,367.52 and 8,210.11 is: 12,558.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,367.52 : 8,210.11 = 8,210.11 : x
  2. Step 2: Convert to fraction form
    5,367.52/8,210.11 = 8,210.11/x
  3. Step 3: Cross multiply
    5,367.52x = 8,210.11 × 8,210.11
  4. Step 4: Simplify right side
    5,367.52x = 67,405,895.95
  5. Step 5: Solve for x
    x = 67,405,895.95/5,367.52
  6. Step 6: Final answer
    x = 12,558.12

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.