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Finding the Third Proportional to 165,530.25 and 368,534.25

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Solution

The third proportional to 165,530.25 and 368,534.25 is: 820,499.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,530.25 : 368,534.25 = 368,534.25 : x
  2. Step 2: Convert to fraction form
    165,530.25/368,534.25 = 368,534.25/x
  3. Step 3: Cross multiply
    165,530.25x = 368,534.25 × 368,534.25
  4. Step 4: Simplify right side
    165,530.25x = 135,817,493,423.06
  5. Step 5: Solve for x
    x = 135,817,493,423.06/165,530.25
  6. Step 6: Final answer
    x = 820,499.54

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.