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Finding the Third Proportional to 260,322 and 568,380

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Solution

The third proportional to 260,322 and 568,380 is: 1,240,985.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,322 : 568,380 = 568,380 : x
  2. Step 2: Convert to fraction form
    260,322/568,380 = 568,380/x
  3. Step 3: Cross multiply
    260,322x = 568,380 × 568,380
  4. Step 4: Simplify right side
    260,322x = 323,055,824,400
  5. Step 5: Solve for x
    x = 323,055,824,400/260,322
  6. Step 6: Final answer
    x = 1,240,985.49

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.