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Finding the Third Proportional to 171,201 and 412,438.50

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Solution

The third proportional to 171,201 and 412,438.50 is: 993,601.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,201 : 412,438.50 = 412,438.50 : x
  2. Step 2: Convert to fraction form
    171,201/412,438.50 = 412,438.50/x
  3. Step 3: Cross multiply
    171,201x = 412,438.50 × 412,438.50
  4. Step 4: Simplify right side
    171,201x = 170,105,516,282.25
  5. Step 5: Solve for x
    x = 170,105,516,282.25/171,201
  6. Step 6: Final answer
    x = 993,601.18

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.