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Finding the Third Proportional to 5,579.25 and 8,970.38

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Solution

The third proportional to 5,579.25 and 8,970.38 is: 14,422.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.25 : 8,970.38 = 8,970.38 : x
  2. Step 2: Convert to fraction form
    5,579.25/8,970.38 = 8,970.38/x
  3. Step 3: Cross multiply
    5,579.25x = 8,970.38 × 8,970.38
  4. Step 4: Simplify right side
    5,579.25x = 80,467,627.64
  5. Step 5: Solve for x
    x = 80,467,627.64/5,579.25
  6. Step 6: Final answer
    x = 14,422.66

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.