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Finding the Third Proportional to 74,828 and 163,696

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Solution

The third proportional to 74,828 and 163,696 is: 358,106.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,828 : 163,696 = 163,696 : x
  2. Step 2: Convert to fraction form
    74,828/163,696 = 163,696/x
  3. Step 3: Cross multiply
    74,828x = 163,696 × 163,696
  4. Step 4: Simplify right side
    74,828x = 26,796,380,416
  5. Step 5: Solve for x
    x = 26,796,380,416/74,828
  6. Step 6: Final answer
    x = 358,106.33

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.