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Finding the Third Proportional to 42,684.75 and 46,512

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Solution

The third proportional to 42,684.75 and 46,512 is: 50,682.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,684.75 : 46,512 = 46,512 : x
  2. Step 2: Convert to fraction form
    42,684.75/46,512 = 46,512/x
  3. Step 3: Cross multiply
    42,684.75x = 46,512 × 46,512
  4. Step 4: Simplify right side
    42,684.75x = 2,163,366,144
  5. Step 5: Solve for x
    x = 2,163,366,144/42,684.75
  6. Step 6: Final answer
    x = 50,682.41

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.