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Finding the Third Proportional to 18,748 and 40,092

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Solution

The third proportional to 18,748 and 40,092 is: 85,735.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,748 : 40,092 = 40,092 : x
  2. Step 2: Convert to fraction form
    18,748/40,092 = 40,092/x
  3. Step 3: Cross multiply
    18,748x = 40,092 × 40,092
  4. Step 4: Simplify right side
    18,748x = 1,607,368,464
  5. Step 5: Solve for x
    x = 1,607,368,464/18,748
  6. Step 6: Final answer
    x = 85,735.46

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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.