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Finding the Third Proportional to 18,842.63 and 40,601.25

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Solution

The third proportional to 18,842.63 and 40,601.25 is: 87,485.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,842.63 : 40,601.25 = 40,601.25 : x
  2. Step 2: Convert to fraction form
    18,842.63/40,601.25 = 40,601.25/x
  3. Step 3: Cross multiply
    18,842.63x = 40,601.25 × 40,601.25
  4. Step 4: Simplify right side
    18,842.63x = 1,648,461,501.56
  5. Step 5: Solve for x
    x = 1,648,461,501.56/18,842.63
  6. Step 6: Final answer
    x = 87,485.77

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.