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Finding the Third Proportional to 39,394.13 and 53,073

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Solution

The third proportional to 39,394.13 and 53,073 is: 71,501.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,394.13 : 53,073 = 53,073 : x
  2. Step 2: Convert to fraction form
    39,394.13/53,073 = 53,073/x
  3. Step 3: Cross multiply
    39,394.13x = 53,073 × 53,073
  4. Step 4: Simplify right side
    39,394.13x = 2,816,743,329
  5. Step 5: Solve for x
    x = 2,816,743,329/39,394.13
  6. Step 6: Final answer
    x = 71,501.61

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.