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Finding the Third Proportional to 155,219 and 246,194

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Solution

The third proportional to 155,219 and 246,194 is: 390,490.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,219 : 246,194 = 246,194 : x
  2. Step 2: Convert to fraction form
    155,219/246,194 = 246,194/x
  3. Step 3: Cross multiply
    155,219x = 246,194 × 246,194
  4. Step 4: Simplify right side
    155,219x = 60,611,485,636
  5. Step 5: Solve for x
    x = 60,611,485,636/155,219
  6. Step 6: Final answer
    x = 390,490.12

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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.