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Finding the Third Proportional to 18,302.50 and 40,169

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Solution

The third proportional to 18,302.50 and 40,169 is: 88,160.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,302.50 : 40,169 = 40,169 : x
  2. Step 2: Convert to fraction form
    18,302.50/40,169 = 40,169/x
  3. Step 3: Cross multiply
    18,302.50x = 40,169 × 40,169
  4. Step 4: Simplify right side
    18,302.50x = 1,613,548,561
  5. Step 5: Solve for x
    x = 1,613,548,561/18,302.50
  6. Step 6: Final answer
    x = 88,160.01

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.