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Finding the Third Proportional to 109,702 and 163,834

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Solution

The third proportional to 109,702 and 163,834 is: 244,677.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,702 : 163,834 = 163,834 : x
  2. Step 2: Convert to fraction form
    109,702/163,834 = 163,834/x
  3. Step 3: Cross multiply
    109,702x = 163,834 × 163,834
  4. Step 4: Simplify right side
    109,702x = 26,841,579,556
  5. Step 5: Solve for x
    x = 26,841,579,556/109,702
  6. Step 6: Final answer
    x = 244,677.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.