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Finding the Third Proportional to 46,679.50 and 69,713

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Solution

The third proportional to 46,679.50 and 69,713 is: 104,112.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,679.50 : 69,713 = 69,713 : x
  2. Step 2: Convert to fraction form
    46,679.50/69,713 = 69,713/x
  3. Step 3: Cross multiply
    46,679.50x = 69,713 × 69,713
  4. Step 4: Simplify right side
    46,679.50x = 4,859,902,369
  5. Step 5: Solve for x
    x = 4,859,902,369/46,679.50
  6. Step 6: Final answer
    x = 104,112.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.