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Finding the Third Proportional to 18,700 and 40,064

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Solution

The third proportional to 18,700 and 40,064 is: 85,835.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,700 : 40,064 = 40,064 : x
  2. Step 2: Convert to fraction form
    18,700/40,064 = 40,064/x
  3. Step 3: Cross multiply
    18,700x = 40,064 × 40,064
  4. Step 4: Simplify right side
    18,700x = 1,605,124,096
  5. Step 5: Solve for x
    x = 1,605,124,096/18,700
  6. Step 6: Final answer
    x = 85,835.51

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.