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Finding the Third Proportional to 770,814 and 1,659,735

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Solution

The third proportional to 770,814 and 1,659,735 is: 3,573,780.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,814 : 1,659,735 = 1,659,735 : x
  2. Step 2: Convert to fraction form
    770,814/1,659,735 = 1,659,735/x
  3. Step 3: Cross multiply
    770,814x = 1,659,735 × 1,659,735
  4. Step 4: Simplify right side
    770,814x = 2,754,720,270,225
  5. Step 5: Solve for x
    x = 2,754,720,270,225/770,814
  6. Step 6: Final answer
    x = 3,573,780.80

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.