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Finding the Third Proportional to 18,167.63 and 39,207.38

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Solution

The third proportional to 18,167.63 and 39,207.38 is: 84,613.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,167.63 : 39,207.38 = 39,207.38 : x
  2. Step 2: Convert to fraction form
    18,167.63/39,207.38 = 39,207.38/x
  3. Step 3: Cross multiply
    18,167.63x = 39,207.38 × 39,207.38
  4. Step 4: Simplify right side
    18,167.63x = 1,537,218,254.39
  5. Step 5: Solve for x
    x = 1,537,218,254.39/18,167.63
  6. Step 6: Final answer
    x = 84,613.06

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.