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Finding the Third Proportional to 6,480 and 9,481.50

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Solution

The third proportional to 6,480 and 9,481.50 is: 13,873.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,480 : 9,481.50 = 9,481.50 : x
  2. Step 2: Convert to fraction form
    6,480/9,481.50 = 9,481.50/x
  3. Step 3: Cross multiply
    6,480x = 9,481.50 × 9,481.50
  4. Step 4: Simplify right side
    6,480x = 89,898,842.25
  5. Step 5: Solve for x
    x = 89,898,842.25/6,480
  6. Step 6: Final answer
    x = 13,873.28

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.