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Finding the Third Proportional to 165,946.50 and 259,287.75

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Solution

The third proportional to 165,946.50 and 259,287.75 is: 405,131.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,946.50 : 259,287.75 = 259,287.75 : x
  2. Step 2: Convert to fraction form
    165,946.50/259,287.75 = 259,287.75/x
  3. Step 3: Cross multiply
    165,946.50x = 259,287.75 × 259,287.75
  4. Step 4: Simplify right side
    165,946.50x = 67,230,137,300.06
  5. Step 5: Solve for x
    x = 67,230,137,300.06/165,946.50
  6. Step 6: Final answer
    x = 405,131.40

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.