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Finding the Third Proportional to 39,308 and 85,261

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Solution

The third proportional to 39,308 and 85,261 is: 184,935.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,308 : 85,261 = 85,261 : x
  2. Step 2: Convert to fraction form
    39,308/85,261 = 85,261/x
  3. Step 3: Cross multiply
    39,308x = 85,261 × 85,261
  4. Step 4: Simplify right side
    39,308x = 7,269,438,121
  5. Step 5: Solve for x
    x = 7,269,438,121/39,308
  6. Step 6: Final answer
    x = 184,935.33

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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.