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Finding the Third Proportional to 5,355.88 and 8,237.44

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Solution

The third proportional to 5,355.88 and 8,237.44 is: 12,669.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.88 : 8,237.44 = 8,237.44 : x
  2. Step 2: Convert to fraction form
    5,355.88/8,237.44 = 8,237.44/x
  3. Step 3: Cross multiply
    5,355.88x = 8,237.44 × 8,237.44
  4. Step 4: Simplify right side
    5,355.88x = 67,855,376.57
  5. Step 5: Solve for x
    x = 67,855,376.57/5,355.88
  6. Step 6: Final answer
    x = 12,669.34

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.