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Finding the Third Proportional to 39,370 and 85,652

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Solution

The third proportional to 39,370 and 85,652 is: 186,341.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,370 : 85,652 = 85,652 : x
  2. Step 2: Convert to fraction form
    39,370/85,652 = 85,652/x
  3. Step 3: Cross multiply
    39,370x = 85,652 × 85,652
  4. Step 4: Simplify right side
    39,370x = 7,336,265,104
  5. Step 5: Solve for x
    x = 7,336,265,104/39,370
  6. Step 6: Final answer
    x = 186,341.51

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.