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Finding the Third Proportional to 194,604 and 422,427

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Solution

The third proportional to 194,604 and 422,427 is: 916,962.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,604 : 422,427 = 422,427 : x
  2. Step 2: Convert to fraction form
    194,604/422,427 = 422,427/x
  3. Step 3: Cross multiply
    194,604x = 422,427 × 422,427
  4. Step 4: Simplify right side
    194,604x = 178,444,570,329
  5. Step 5: Solve for x
    x = 178,444,570,329/194,604
  6. Step 6: Final answer
    x = 916,962.50

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.