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Finding the Third Proportional to 5,579.50 and 8,971

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Solution

The third proportional to 5,579.50 and 8,971 is: 14,424.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.50 : 8,971 = 8,971 : x
  2. Step 2: Convert to fraction form
    5,579.50/8,971 = 8,971/x
  3. Step 3: Cross multiply
    5,579.50x = 8,971 × 8,971
  4. Step 4: Simplify right side
    5,579.50x = 80,478,841
  5. Step 5: Solve for x
    x = 80,478,841/5,579.50
  6. Step 6: Final answer
    x = 14,424.02

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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.