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Finding the Third Proportional to 65,985.75 and 155,612.25

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Solution

The third proportional to 65,985.75 and 155,612.25 is: 366,975.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,985.75 : 155,612.25 = 155,612.25 : x
  2. Step 2: Convert to fraction form
    65,985.75/155,612.25 = 155,612.25/x
  3. Step 3: Cross multiply
    65,985.75x = 155,612.25 × 155,612.25
  4. Step 4: Simplify right side
    65,985.75x = 24,215,172,350.06
  5. Step 5: Solve for x
    x = 24,215,172,350.06/65,985.75
  6. Step 6: Final answer
    x = 366,975.78

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.