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Finding the Third Proportional to 53,523 and 80,132

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Solution

The third proportional to 53,523 and 80,132 is: 119,969.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,523 : 80,132 = 80,132 : x
  2. Step 2: Convert to fraction form
    53,523/80,132 = 80,132/x
  3. Step 3: Cross multiply
    53,523x = 80,132 × 80,132
  4. Step 4: Simplify right side
    53,523x = 6,421,137,424
  5. Step 5: Solve for x
    x = 6,421,137,424/53,523
  6. Step 6: Final answer
    x = 119,969.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.