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Finding the Third Proportional to 3,848.63 and 8,311.22

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Solution

The third proportional to 3,848.63 and 8,311.22 is: 17,948.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.63 : 8,311.22 = 8,311.22 : x
  2. Step 2: Convert to fraction form
    3,848.63/8,311.22 = 8,311.22/x
  3. Step 3: Cross multiply
    3,848.63x = 8,311.22 × 8,311.22
  4. Step 4: Simplify right side
    3,848.63x = 69,076,357.11
  5. Step 5: Solve for x
    x = 69,076,357.11/3,848.63
  6. Step 6: Final answer
    x = 17,948.32

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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.