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Finding the Third Proportional to 74,118 and 163,356

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Solution

The third proportional to 74,118 and 163,356 is: 360,036.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,118 : 163,356 = 163,356 : x
  2. Step 2: Convert to fraction form
    74,118/163,356 = 163,356/x
  3. Step 3: Cross multiply
    74,118x = 163,356 × 163,356
  4. Step 4: Simplify right side
    74,118x = 26,685,182,736
  5. Step 5: Solve for x
    x = 26,685,182,736/74,118
  6. Step 6: Final answer
    x = 360,036.47

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.