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Finding the Third Proportional to 15,904 and 25,168

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Solution

The third proportional to 15,904 and 25,168 is: 39,828.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,904 : 25,168 = 25,168 : x
  2. Step 2: Convert to fraction form
    15,904/25,168 = 25,168/x
  3. Step 3: Cross multiply
    15,904x = 25,168 × 25,168
  4. Step 4: Simplify right side
    15,904x = 633,428,224
  5. Step 5: Solve for x
    x = 633,428,224/15,904
  6. Step 6: Final answer
    x = 39,828.23

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.