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Finding the Third Proportional to 9,585 and 16,861.50

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Solution

The third proportional to 9,585 and 16,861.50 is: 29,661.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,585 : 16,861.50 = 16,861.50 : x
  2. Step 2: Convert to fraction form
    9,585/16,861.50 = 16,861.50/x
  3. Step 3: Cross multiply
    9,585x = 16,861.50 × 16,861.50
  4. Step 4: Simplify right side
    9,585x = 284,310,182.25
  5. Step 5: Solve for x
    x = 284,310,182.25/9,585
  6. Step 6: Final answer
    x = 29,661.99

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Why These Related Problems?

These problems maintain the same ratio (1.76) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.