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Finding the Third Proportional to 18,501.75 and 39,957.75

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Solution

The third proportional to 18,501.75 and 39,957.75 is: 86,295.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,501.75 : 39,957.75 = 39,957.75 : x
  2. Step 2: Convert to fraction form
    18,501.75/39,957.75 = 39,957.75/x
  3. Step 3: Cross multiply
    18,501.75x = 39,957.75 × 39,957.75
  4. Step 4: Simplify right side
    18,501.75x = 1,596,621,785.06
  5. Step 5: Solve for x
    x = 1,596,621,785.06/18,501.75
  6. Step 6: Final answer
    x = 86,295.72

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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.