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Finding the Third Proportional to 46,940 and 70,809

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Solution

The third proportional to 46,940 and 70,809 is: 106,815.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,940 : 70,809 = 70,809 : x
  2. Step 2: Convert to fraction form
    46,940/70,809 = 70,809/x
  3. Step 3: Cross multiply
    46,940x = 70,809 × 70,809
  4. Step 4: Simplify right side
    46,940x = 5,013,914,481
  5. Step 5: Solve for x
    x = 5,013,914,481/46,940
  6. Step 6: Final answer
    x = 106,815.39

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.