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Finding the Third Proportional to 77,744 and 168,208

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Solution

The third proportional to 77,744 and 168,208 is: 363,937.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,744 : 168,208 = 168,208 : x
  2. Step 2: Convert to fraction form
    77,744/168,208 = 168,208/x
  3. Step 3: Cross multiply
    77,744x = 168,208 × 168,208
  4. Step 4: Simplify right side
    77,744x = 28,293,931,264
  5. Step 5: Solve for x
    x = 28,293,931,264/77,744
  6. Step 6: Final answer
    x = 363,937.17

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.