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Finding the Third Proportional to 47,685 and 104,705

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Solution

The third proportional to 47,685 and 104,705 is: 229,907.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,685 : 104,705 = 104,705 : x
  2. Step 2: Convert to fraction form
    47,685/104,705 = 104,705/x
  3. Step 3: Cross multiply
    47,685x = 104,705 × 104,705
  4. Step 4: Simplify right side
    47,685x = 10,963,137,025
  5. Step 5: Solve for x
    x = 10,963,137,025/47,685
  6. Step 6: Final answer
    x = 229,907.46

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.