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Finding the Third Proportional to 9,471 and 13,330.50

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Solution

The third proportional to 9,471 and 13,330.50 is: 18,762.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,471 : 13,330.50 = 13,330.50 : x
  2. Step 2: Convert to fraction form
    9,471/13,330.50 = 13,330.50/x
  3. Step 3: Cross multiply
    9,471x = 13,330.50 × 13,330.50
  4. Step 4: Simplify right side
    9,471x = 177,702,230.25
  5. Step 5: Solve for x
    x = 177,702,230.25/9,471
  6. Step 6: Final answer
    x = 18,762.77

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.