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Finding the Third Proportional to 29,116 and 43,915

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Solution

The third proportional to 29,116 and 43,915 is: 66,235.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,116 : 43,915 = 43,915 : x
  2. Step 2: Convert to fraction form
    29,116/43,915 = 43,915/x
  3. Step 3: Cross multiply
    29,116x = 43,915 × 43,915
  4. Step 4: Simplify right side
    29,116x = 1,928,527,225
  5. Step 5: Solve for x
    x = 1,928,527,225/29,116
  6. Step 6: Final answer
    x = 66,235.99

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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.