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Finding the Third Proportional to 165,802 and 262,938

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Solution

The third proportional to 165,802 and 262,938 is: 416,981.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,802 : 262,938 = 262,938 : x
  2. Step 2: Convert to fraction form
    165,802/262,938 = 262,938/x
  3. Step 3: Cross multiply
    165,802x = 262,938 × 262,938
  4. Step 4: Simplify right side
    165,802x = 69,136,391,844
  5. Step 5: Solve for x
    x = 69,136,391,844/165,802
  6. Step 6: Final answer
    x = 416,981.65

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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.