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Finding the Third Proportional to 165,740 and 262,859

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Solution

The third proportional to 165,740 and 262,859 is: 416,887.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,740 : 262,859 = 262,859 : x
  2. Step 2: Convert to fraction form
    165,740/262,859 = 262,859/x
  3. Step 3: Cross multiply
    165,740x = 262,859 × 262,859
  4. Step 4: Simplify right side
    165,740x = 69,094,853,881
  5. Step 5: Solve for x
    x = 69,094,853,881/165,740
  6. Step 6: Final answer
    x = 416,887.02

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.