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Finding the Third Proportional to 5,585 and 9,511.50

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Solution

The third proportional to 5,585 and 9,511.50 is: 16,198.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,585 : 9,511.50 = 9,511.50 : x
  2. Step 2: Convert to fraction form
    5,585/9,511.50 = 9,511.50/x
  3. Step 3: Cross multiply
    5,585x = 9,511.50 × 9,511.50
  4. Step 4: Simplify right side
    5,585x = 90,468,632.25
  5. Step 5: Solve for x
    x = 90,468,632.25/5,585
  6. Step 6: Final answer
    x = 16,198.50

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Why These Related Problems?

These problems maintain the same ratio (1.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.