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Finding the Third Proportional to 20,088 and 29,268

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Solution

The third proportional to 20,088 and 29,268 is: 42,643.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,088 : 29,268 = 29,268 : x
  2. Step 2: Convert to fraction form
    20,088/29,268 = 29,268/x
  3. Step 3: Cross multiply
    20,088x = 29,268 × 29,268
  4. Step 4: Simplify right side
    20,088x = 856,615,824
  5. Step 5: Solve for x
    x = 856,615,824/20,088
  6. Step 6: Final answer
    x = 42,643.16

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.