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Finding the Third Proportional to 162,396.75 and 354,304.50

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Solution

The third proportional to 162,396.75 and 354,304.50 is: 772,993.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,396.75 : 354,304.50 = 354,304.50 : x
  2. Step 2: Convert to fraction form
    162,396.75/354,304.50 = 354,304.50/x
  3. Step 3: Cross multiply
    162,396.75x = 354,304.50 × 354,304.50
  4. Step 4: Simplify right side
    162,396.75x = 125,531,678,720.25
  5. Step 5: Solve for x
    x = 125,531,678,720.25/162,396.75
  6. Step 6: Final answer
    x = 772,993.79

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.