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Finding the Third Proportional to 359,928 and 775,152

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Solution

The third proportional to 359,928 and 775,152 is: 1,669,391.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,928 : 775,152 = 775,152 : x
  2. Step 2: Convert to fraction form
    359,928/775,152 = 775,152/x
  3. Step 3: Cross multiply
    359,928x = 775,152 × 775,152
  4. Step 4: Simplify right side
    359,928x = 600,860,623,104
  5. Step 5: Solve for x
    x = 600,860,623,104/359,928
  6. Step 6: Final answer
    x = 1,669,391.16

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.