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Finding the Third Proportional to 19,804.50 and 36,784.13

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Solution

The third proportional to 19,804.50 and 36,784.13 is: 68,321.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,804.50 : 36,784.13 = 36,784.13 : x
  2. Step 2: Convert to fraction form
    19,804.50/36,784.13 = 36,784.13/x
  3. Step 3: Cross multiply
    19,804.50x = 36,784.13 × 36,784.13
  4. Step 4: Simplify right side
    19,804.50x = 1,353,071,852.02
  5. Step 5: Solve for x
    x = 1,353,071,852.02/19,804.50
  6. Step 6: Final answer
    x = 68,321.43

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Why These Related Problems?

These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.