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Finding the Third Proportional to 9,154.50 and 12,060.75

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Solution

The third proportional to 9,154.50 and 12,060.75 is: 15,889.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,154.50 : 12,060.75 = 12,060.75 : x
  2. Step 2: Convert to fraction form
    9,154.50/12,060.75 = 12,060.75/x
  3. Step 3: Cross multiply
    9,154.50x = 12,060.75 × 12,060.75
  4. Step 4: Simplify right side
    9,154.50x = 145,461,690.56
  5. Step 5: Solve for x
    x = 145,461,690.56/9,154.50
  6. Step 6: Final answer
    x = 15,889.64

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.