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Finding the Third Proportional to 18,828.94 and 40,573.88

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Solution

The third proportional to 18,828.94 and 40,573.88 is: 87,431.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,828.94 : 40,573.88 = 40,573.88 : x
  2. Step 2: Convert to fraction form
    18,828.94/40,573.88 = 40,573.88/x
  3. Step 3: Cross multiply
    18,828.94x = 40,573.88 × 40,573.88
  4. Step 4: Simplify right side
    18,828.94x = 1,646,239,332.52
  5. Step 5: Solve for x
    x = 1,646,239,332.52/18,828.94
  6. Step 6: Final answer
    x = 87,431.35

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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.