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Finding the Third Proportional to 288,958.50 and 383,413.50

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Solution

The third proportional to 288,958.50 and 383,413.50 is: 508,744.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,958.50 : 383,413.50 = 383,413.50 : x
  2. Step 2: Convert to fraction form
    288,958.50/383,413.50 = 383,413.50/x
  3. Step 3: Cross multiply
    288,958.50x = 383,413.50 × 383,413.50
  4. Step 4: Simplify right side
    288,958.50x = 147,005,911,982.25
  5. Step 5: Solve for x
    x = 147,005,911,982.25/288,958.50
  6. Step 6: Final answer
    x = 508,744.03

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.