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Finding the Third Proportional to 53,589 and 84,781.50

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Solution

The third proportional to 53,589 and 84,781.50 is: 134,130.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,589 : 84,781.50 = 84,781.50 : x
  2. Step 2: Convert to fraction form
    53,589/84,781.50 = 84,781.50/x
  3. Step 3: Cross multiply
    53,589x = 84,781.50 × 84,781.50
  4. Step 4: Simplify right side
    53,589x = 7,187,902,742.25
  5. Step 5: Solve for x
    x = 7,187,902,742.25/53,589
  6. Step 6: Final answer
    x = 134,130.19

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.