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Finding the Third Proportional to 194,095 and 308,638

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Solution

The third proportional to 194,095 and 308,638 is: 490,777.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,095 : 308,638 = 308,638 : x
  2. Step 2: Convert to fraction form
    194,095/308,638 = 308,638/x
  3. Step 3: Cross multiply
    194,095x = 308,638 × 308,638
  4. Step 4: Simplify right side
    194,095x = 95,257,415,044
  5. Step 5: Solve for x
    x = 95,257,415,044/194,095
  6. Step 6: Final answer
    x = 490,777.27

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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.