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Finding the Third Proportional to 18,909 and 29,596.50

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Solution

The third proportional to 18,909 and 29,596.50 is: 46,324.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,909 : 29,596.50 = 29,596.50 : x
  2. Step 2: Convert to fraction form
    18,909/29,596.50 = 29,596.50/x
  3. Step 3: Cross multiply
    18,909x = 29,596.50 × 29,596.50
  4. Step 4: Simplify right side
    18,909x = 875,952,812.25
  5. Step 5: Solve for x
    x = 875,952,812.25/18,909
  6. Step 6: Final answer
    x = 46,324.65

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.