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Finding the Third Proportional to 319,594 and 699,322

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Solution

The third proportional to 319,594 and 699,322 is: 1,530,226.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,594 : 699,322 = 699,322 : x
  2. Step 2: Convert to fraction form
    319,594/699,322 = 699,322/x
  3. Step 3: Cross multiply
    319,594x = 699,322 × 699,322
  4. Step 4: Simplify right side
    319,594x = 489,051,259,684
  5. Step 5: Solve for x
    x = 489,051,259,684/319,594
  6. Step 6: Final answer
    x = 1,530,226.66

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.