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Finding the Third Proportional to 40,446 and 87,763

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Solution

The third proportional to 40,446 and 87,763 is: 190,435.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,446 : 87,763 = 87,763 : x
  2. Step 2: Convert to fraction form
    40,446/87,763 = 87,763/x
  3. Step 3: Cross multiply
    40,446x = 87,763 × 87,763
  4. Step 4: Simplify right side
    40,446x = 7,702,344,169
  5. Step 5: Solve for x
    x = 7,702,344,169/40,446
  6. Step 6: Final answer
    x = 190,435.25

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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.