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Finding the Third Proportional to 72,936 and 110,160

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Solution

The third proportional to 72,936 and 110,160 is: 166,381.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,936 : 110,160 = 110,160 : x
  2. Step 2: Convert to fraction form
    72,936/110,160 = 110,160/x
  3. Step 3: Cross multiply
    72,936x = 110,160 × 110,160
  4. Step 4: Simplify right side
    72,936x = 12,135,225,600
  5. Step 5: Solve for x
    x = 12,135,225,600/72,936
  6. Step 6: Final answer
    x = 166,381.84

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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.