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Finding the Third Proportional to 61,111 and 132,589

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Solution

The third proportional to 61,111 and 132,589 is: 287,670.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,111 : 132,589 = 132,589 : x
  2. Step 2: Convert to fraction form
    61,111/132,589 = 132,589/x
  3. Step 3: Cross multiply
    61,111x = 132,589 × 132,589
  4. Step 4: Simplify right side
    61,111x = 17,579,842,921
  5. Step 5: Solve for x
    x = 17,579,842,921/61,111
  6. Step 6: Final answer
    x = 287,670.68

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.