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Finding the Third Proportional to 163,744 and 260,377

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Solution

The third proportional to 163,744 and 260,377 is: 414,037.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,744 : 260,377 = 260,377 : x
  2. Step 2: Convert to fraction form
    163,744/260,377 = 260,377/x
  3. Step 3: Cross multiply
    163,744x = 260,377 × 260,377
  4. Step 4: Simplify right side
    163,744x = 67,796,182,129
  5. Step 5: Solve for x
    x = 67,796,182,129/163,744
  6. Step 6: Final answer
    x = 414,037.66

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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.