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Finding the Third Proportional to 684,230 and 985,611

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Solution

The third proportional to 684,230 and 985,611 is: 1,419,740.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,230 : 985,611 = 985,611 : x
  2. Step 2: Convert to fraction form
    684,230/985,611 = 985,611/x
  3. Step 3: Cross multiply
    684,230x = 985,611 × 985,611
  4. Step 4: Simplify right side
    684,230x = 971,429,043,321
  5. Step 5: Solve for x
    x = 971,429,043,321/684,230
  6. Step 6: Final answer
    x = 1,419,740.50

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.