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Finding the Third Proportional to 8,751.81 and 19,204.63

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Solution

The third proportional to 8,751.81 and 19,204.63 is: 42,141.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,751.81 : 19,204.63 = 19,204.63 : x
  2. Step 2: Convert to fraction form
    8,751.81/19,204.63 = 19,204.63/x
  3. Step 3: Cross multiply
    8,751.81x = 19,204.63 × 19,204.63
  4. Step 4: Simplify right side
    8,751.81x = 368,817,621.39
  5. Step 5: Solve for x
    x = 368,817,621.39/8,751.81
  6. Step 6: Final answer
    x = 42,141.86

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.