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Finding the Third Proportional to 260,694 and 393,808.50

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Solution

The third proportional to 260,694 and 393,808.50 is: 594,893.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,694 : 393,808.50 = 393,808.50 : x
  2. Step 2: Convert to fraction form
    260,694/393,808.50 = 393,808.50/x
  3. Step 3: Cross multiply
    260,694x = 393,808.50 × 393,808.50
  4. Step 4: Simplify right side
    260,694x = 155,085,134,672.25
  5. Step 5: Solve for x
    x = 155,085,134,672.25/260,694
  6. Step 6: Final answer
    x = 594,893.38

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.