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Finding the Third Proportional to 163,794 and 357,234

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Solution

The third proportional to 163,794 and 357,234 is: 779,125.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,794 : 357,234 = 357,234 : x
  2. Step 2: Convert to fraction form
    163,794/357,234 = 357,234/x
  3. Step 3: Cross multiply
    163,794x = 357,234 × 357,234
  4. Step 4: Simplify right side
    163,794x = 127,616,130,756
  5. Step 5: Solve for x
    x = 127,616,130,756/163,794
  6. Step 6: Final answer
    x = 779,125.80

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.