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Finding the Third Proportional to 61,161.96 and 86,130.21

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Solution

The third proportional to 61,161.96 and 86,130.21 is: 121,291.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,161.96 : 86,130.21 = 86,130.21 : x
  2. Step 2: Convert to fraction form
    61,161.96/86,130.21 = 86,130.21/x
  3. Step 3: Cross multiply
    61,161.96x = 86,130.21 × 86,130.21
  4. Step 4: Simplify right side
    61,161.96x = 7,418,413,236.14
  5. Step 5: Solve for x
    x = 7,418,413,236.14/61,161.96
  6. Step 6: Final answer
    x = 121,291.29

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.