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Finding the Third Proportional to 74,638.13 and 165,952.13

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Solution

The third proportional to 74,638.13 and 165,952.13 is: 368,981.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,638.13 : 165,952.13 = 165,952.13 : x
  2. Step 2: Convert to fraction form
    74,638.13/165,952.13 = 165,952.13/x
  3. Step 3: Cross multiply
    74,638.13x = 165,952.13 × 165,952.13
  4. Step 4: Simplify right side
    74,638.13x = 27,540,107,792.02
  5. Step 5: Solve for x
    x = 27,540,107,792.02/74,638.13
  6. Step 6: Final answer
    x = 368,981.77

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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.