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Finding the Third Proportional to 194,664 and 419,712

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Solution

The third proportional to 194,664 and 419,712 is: 904,934.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,664 : 419,712 = 419,712 : x
  2. Step 2: Convert to fraction form
    194,664/419,712 = 419,712/x
  3. Step 3: Cross multiply
    194,664x = 419,712 × 419,712
  4. Step 4: Simplify right side
    194,664x = 176,158,162,944
  5. Step 5: Solve for x
    x = 176,158,162,944/194,664
  6. Step 6: Final answer
    x = 904,934.47

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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.