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Finding the Third Proportional to 61,213.22 and 81,773.30

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Solution

The third proportional to 61,213.22 and 81,773.30 is: 109,239.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,213.22 : 81,773.30 = 81,773.30 : x
  2. Step 2: Convert to fraction form
    61,213.22/81,773.30 = 81,773.30/x
  3. Step 3: Cross multiply
    61,213.22x = 81,773.30 × 81,773.30
  4. Step 4: Simplify right side
    61,213.22x = 6,686,872,081.81
  5. Step 5: Solve for x
    x = 6,686,872,081.81/61,213.22
  6. Step 6: Final answer
    x = 109,239.02

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.