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Finding the Third Proportional to 413.75 and 461

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Solution

The third proportional to 413.75 and 461 is: 513.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    413.75 : 461 = 461 : x
  2. Step 2: Convert to fraction form
    413.75/461 = 461/x
  3. Step 3: Cross multiply
    413.75x = 461 × 461
  4. Step 4: Simplify right side
    413.75x = 212,521
  5. Step 5: Solve for x
    x = 212,521/413.75
  6. Step 6: Final answer
    x = 513.65

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.