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Finding the Third Proportional to 104,480 and 159,168

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Solution

The third proportional to 104,480 and 159,168 is: 242,481.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,480 : 159,168 = 159,168 : x
  2. Step 2: Convert to fraction form
    104,480/159,168 = 159,168/x
  3. Step 3: Cross multiply
    104,480x = 159,168 × 159,168
  4. Step 4: Simplify right side
    104,480x = 25,334,452,224
  5. Step 5: Solve for x
    x = 25,334,452,224/104,480
  6. Step 6: Final answer
    x = 242,481.36

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.