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Finding the Third Proportional to 53,588 and 80,208

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Solution

The third proportional to 53,588 and 80,208 is: 120,051.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,588 : 80,208 = 80,208 : x
  2. Step 2: Convert to fraction form
    53,588/80,208 = 80,208/x
  3. Step 3: Cross multiply
    53,588x = 80,208 × 80,208
  4. Step 4: Simplify right side
    53,588x = 6,433,323,264
  5. Step 5: Solve for x
    x = 6,433,323,264/53,588
  6. Step 6: Final answer
    x = 120,051.56

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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.