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Finding the Third Proportional to 7,085 and 15,529

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Solution

The third proportional to 7,085 and 15,529 is: 34,036.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,085 : 15,529 = 15,529 : x
  2. Step 2: Convert to fraction form
    7,085/15,529 = 15,529/x
  3. Step 3: Cross multiply
    7,085x = 15,529 × 15,529
  4. Step 4: Simplify right side
    7,085x = 241,149,841
  5. Step 5: Solve for x
    x = 241,149,841/7,085
  6. Step 6: Final answer
    x = 34,036.67

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.