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Finding the Third Proportional to 171,630 and 262,553

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Solution

The third proportional to 171,630 and 262,553 is: 401,643.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,630 : 262,553 = 262,553 : x
  2. Step 2: Convert to fraction form
    171,630/262,553 = 262,553/x
  3. Step 3: Cross multiply
    171,630x = 262,553 × 262,553
  4. Step 4: Simplify right side
    171,630x = 68,934,077,809
  5. Step 5: Solve for x
    x = 68,934,077,809/171,630
  6. Step 6: Final answer
    x = 401,643.52

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.