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Finding the Third Proportional to 18,346.50 and 40,148.16

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Solution

The third proportional to 18,346.50 and 40,148.16 is: 87,857.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,346.50 : 40,148.16 = 40,148.16 : x
  2. Step 2: Convert to fraction form
    18,346.50/40,148.16 = 40,148.16/x
  3. Step 3: Cross multiply
    18,346.50x = 40,148.16 × 40,148.16
  4. Step 4: Simplify right side
    18,346.50x = 1,611,874,450.27
  5. Step 5: Solve for x
    x = 1,611,874,450.27/18,346.50
  6. Step 6: Final answer
    x = 87,857.33

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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.