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Finding the Third Proportional to 74,864 and 163,795

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Solution

The third proportional to 74,864 and 163,795 is: 358,367.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,864 : 163,795 = 163,795 : x
  2. Step 2: Convert to fraction form
    74,864/163,795 = 163,795/x
  3. Step 3: Cross multiply
    74,864x = 163,795 × 163,795
  4. Step 4: Simplify right side
    74,864x = 26,828,802,025
  5. Step 5: Solve for x
    x = 26,828,802,025/74,864
  6. Step 6: Final answer
    x = 358,367.20

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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.