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Finding the Third Proportional to 53,766 and 80,557

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Solution

The third proportional to 53,766 and 80,557 is: 120,697.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,766 : 80,557 = 80,557 : x
  2. Step 2: Convert to fraction form
    53,766/80,557 = 80,557/x
  3. Step 3: Cross multiply
    53,766x = 80,557 × 80,557
  4. Step 4: Simplify right side
    53,766x = 6,489,430,249
  5. Step 5: Solve for x
    x = 6,489,430,249/53,766
  6. Step 6: Final answer
    x = 120,697.66

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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.