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Finding the Third Proportional to 5,355 and 12,673.50

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Solution

The third proportional to 5,355 and 12,673.50 is: 29,993.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355 : 12,673.50 = 12,673.50 : x
  2. Step 2: Convert to fraction form
    5,355/12,673.50 = 12,673.50/x
  3. Step 3: Cross multiply
    5,355x = 12,673.50 × 12,673.50
  4. Step 4: Simplify right side
    5,355x = 160,617,602.25
  5. Step 5: Solve for x
    x = 160,617,602.25/5,355
  6. Step 6: Final answer
    x = 29,993.95

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Why These Related Problems?

These problems maintain the same ratio (2.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.