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Finding the Third Proportional to 19,756 and 43,403

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Solution

The third proportional to 19,756 and 43,403 is: 95,354.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,756 : 43,403 = 43,403 : x
  2. Step 2: Convert to fraction form
    19,756/43,403 = 43,403/x
  3. Step 3: Cross multiply
    19,756x = 43,403 × 43,403
  4. Step 4: Simplify right side
    19,756x = 1,883,820,409
  5. Step 5: Solve for x
    x = 1,883,820,409/19,756
  6. Step 6: Final answer
    x = 95,354.34

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.