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Finding the Third Proportional to 74,433 and 163,629

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Solution

The third proportional to 74,433 and 163,629 is: 359,712.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,433 : 163,629 = 163,629 : x
  2. Step 2: Convert to fraction form
    74,433/163,629 = 163,629/x
  3. Step 3: Cross multiply
    74,433x = 163,629 × 163,629
  4. Step 4: Simplify right side
    74,433x = 26,774,449,641
  5. Step 5: Solve for x
    x = 26,774,449,641/74,433
  6. Step 6: Final answer
    x = 359,712.09

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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.