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Finding the Third Proportional to 74,115 and 164,808

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Solution

The third proportional to 74,115 and 164,808 is: 366,480.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,115 : 164,808 = 164,808 : x
  2. Step 2: Convert to fraction form
    74,115/164,808 = 164,808/x
  3. Step 3: Cross multiply
    74,115x = 164,808 × 164,808
  4. Step 4: Simplify right side
    74,115x = 27,161,676,864
  5. Step 5: Solve for x
    x = 27,161,676,864/74,115
  6. Step 6: Final answer
    x = 366,480.16

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.