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Finding the Third Proportional to 7,281 and 11,056.50

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Solution

The third proportional to 7,281 and 11,056.50 is: 16,789.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281 : 11,056.50 = 11,056.50 : x
  2. Step 2: Convert to fraction form
    7,281/11,056.50 = 11,056.50/x
  3. Step 3: Cross multiply
    7,281x = 11,056.50 × 11,056.50
  4. Step 4: Simplify right side
    7,281x = 122,246,192.25
  5. Step 5: Solve for x
    x = 122,246,192.25/7,281
  6. Step 6: Final answer
    x = 16,789.75

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.