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Finding the Third Proportional to 19,212.75 and 39,957.75

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Solution

The third proportional to 19,212.75 and 39,957.75 is: 83,102.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,212.75 : 39,957.75 = 39,957.75 : x
  2. Step 2: Convert to fraction form
    19,212.75/39,957.75 = 39,957.75/x
  3. Step 3: Cross multiply
    19,212.75x = 39,957.75 × 39,957.75
  4. Step 4: Simplify right side
    19,212.75x = 1,596,621,785.06
  5. Step 5: Solve for x
    x = 1,596,621,785.06/19,212.75
  6. Step 6: Final answer
    x = 83,102.20

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.