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Finding the Third Proportional to 192,423 and 422,024

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Solution

The third proportional to 192,423 and 422,024 is: 925,587.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,423 : 422,024 = 422,024 : x
  2. Step 2: Convert to fraction form
    192,423/422,024 = 422,024/x
  3. Step 3: Cross multiply
    192,423x = 422,024 × 422,024
  4. Step 4: Simplify right side
    192,423x = 178,104,256,576
  5. Step 5: Solve for x
    x = 178,104,256,576/192,423
  6. Step 6: Final answer
    x = 925,587.15

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.