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Finding the Third Proportional to 74,904 and 163,036

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Solution

The third proportional to 74,904 and 163,036 is: 354,864.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,904 : 163,036 = 163,036 : x
  2. Step 2: Convert to fraction form
    74,904/163,036 = 163,036/x
  3. Step 3: Cross multiply
    74,904x = 163,036 × 163,036
  4. Step 4: Simplify right side
    74,904x = 26,580,737,296
  5. Step 5: Solve for x
    x = 26,580,737,296/74,904
  6. Step 6: Final answer
    x = 354,864.06

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.