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Finding the Third Proportional to 46,987 and 68,716.50

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Solution

The third proportional to 46,987 and 68,716.50 is: 100,494.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,987 : 68,716.50 = 68,716.50 : x
  2. Step 2: Convert to fraction form
    46,987/68,716.50 = 68,716.50/x
  3. Step 3: Cross multiply
    46,987x = 68,716.50 × 68,716.50
  4. Step 4: Simplify right side
    46,987x = 4,721,957,372.25
  5. Step 5: Solve for x
    x = 4,721,957,372.25/46,987
  6. Step 6: Final answer
    x = 100,494.97

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.