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Finding the Third Proportional to 74,885 and 163,635

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Solution

The third proportional to 74,885 and 163,635 is: 357,567.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,885 : 163,635 = 163,635 : x
  2. Step 2: Convert to fraction form
    74,885/163,635 = 163,635/x
  3. Step 3: Cross multiply
    74,885x = 163,635 × 163,635
  4. Step 4: Simplify right side
    74,885x = 26,776,413,225
  5. Step 5: Solve for x
    x = 26,776,413,225/74,885
  6. Step 6: Final answer
    x = 357,567.11

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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.