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Finding the Third Proportional to 669,800 and 936,888

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Solution

The third proportional to 669,800 and 936,888 is: 1,310,479.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,800 : 936,888 = 936,888 : x
  2. Step 2: Convert to fraction form
    669,800/936,888 = 936,888/x
  3. Step 3: Cross multiply
    669,800x = 936,888 × 936,888
  4. Step 4: Simplify right side
    669,800x = 877,759,124,544
  5. Step 5: Solve for x
    x = 877,759,124,544/669,800
  6. Step 6: Final answer
    x = 1,310,479.43

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.