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Finding the Third Proportional to 39,254 and 85,072

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Solution

The third proportional to 39,254 and 85,072 is: 184,369.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,254 : 85,072 = 85,072 : x
  2. Step 2: Convert to fraction form
    39,254/85,072 = 85,072/x
  3. Step 3: Cross multiply
    39,254x = 85,072 × 85,072
  4. Step 4: Simplify right side
    39,254x = 7,237,245,184
  5. Step 5: Solve for x
    x = 7,237,245,184/39,254
  6. Step 6: Final answer
    x = 184,369.62

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.