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Finding the Third Proportional to 4,368.94 and 8,365.78

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Solution

The third proportional to 4,368.94 and 8,365.78 is: 16,019.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,368.94 : 8,365.78 = 8,365.78 : x
  2. Step 2: Convert to fraction form
    4,368.94/8,365.78 = 8,365.78/x
  3. Step 3: Cross multiply
    4,368.94x = 8,365.78 × 8,365.78
  4. Step 4: Simplify right side
    4,368.94x = 69,986,295.92
  5. Step 5: Solve for x
    x = 69,986,295.92/4,368.94
  6. Step 6: Final answer
    x = 16,019.07

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Why These Related Problems?

These problems maintain the same ratio (1.91) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.