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Finding the Third Proportional to 20,751 and 45,003

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Solution

The third proportional to 20,751 and 45,003 is: 97,598.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,751 : 45,003 = 45,003 : x
  2. Step 2: Convert to fraction form
    20,751/45,003 = 45,003/x
  3. Step 3: Cross multiply
    20,751x = 45,003 × 45,003
  4. Step 4: Simplify right side
    20,751x = 2,025,270,009
  5. Step 5: Solve for x
    x = 2,025,270,009/20,751
  6. Step 6: Final answer
    x = 97,598.67

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.