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Finding the Third Proportional to 15,219.56 and 16,232.06

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Solution

The third proportional to 15,219.56 and 16,232.06 is: 17,311.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,219.56 : 16,232.06 = 16,232.06 : x
  2. Step 2: Convert to fraction form
    15,219.56/16,232.06 = 16,232.06/x
  3. Step 3: Cross multiply
    15,219.56x = 16,232.06 × 16,232.06
  4. Step 4: Simplify right side
    15,219.56x = 263,479,853.00
  5. Step 5: Solve for x
    x = 263,479,853.00/15,219.56
  6. Step 6: Final answer
    x = 17,311.92

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Why These Related Problems?

These problems maintain the same ratio (1.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.