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Finding the Third Proportional to 29,718.25 and 65,268

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Solution

The third proportional to 29,718.25 and 65,268 is: 143,343.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,718.25 : 65,268 = 65,268 : x
  2. Step 2: Convert to fraction form
    29,718.25/65,268 = 65,268/x
  3. Step 3: Cross multiply
    29,718.25x = 65,268 × 65,268
  4. Step 4: Simplify right side
    29,718.25x = 4,259,911,824
  5. Step 5: Solve for x
    x = 4,259,911,824/29,718.25
  6. Step 6: Final answer
    x = 143,343.29

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.