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Finding the Third Proportional to 122,310 and 194,598

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Solution

The third proportional to 122,310 and 194,598 is: 309,609.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,310 : 194,598 = 194,598 : x
  2. Step 2: Convert to fraction form
    122,310/194,598 = 194,598/x
  3. Step 3: Cross multiply
    122,310x = 194,598 × 194,598
  4. Step 4: Simplify right side
    122,310x = 37,868,381,604
  5. Step 5: Solve for x
    x = 37,868,381,604/122,310
  6. Step 6: Final answer
    x = 309,609.86

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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.