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Finding the Third Proportional to 6,470.63 and 8,840.25

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Solution

The third proportional to 6,470.63 and 8,840.25 is: 12,077.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,470.63 : 8,840.25 = 8,840.25 : x
  2. Step 2: Convert to fraction form
    6,470.63/8,840.25 = 8,840.25/x
  3. Step 3: Cross multiply
    6,470.63x = 8,840.25 × 8,840.25
  4. Step 4: Simplify right side
    6,470.63x = 78,150,020.06
  5. Step 5: Solve for x
    x = 78,150,020.06/6,470.63
  6. Step 6: Final answer
    x = 12,077.66

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.