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Finding the Third Proportional to 686,869 and 1,050,701

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Solution

The third proportional to 686,869 and 1,050,701 is: 1,607,253.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,869 : 1,050,701 = 1,050,701 : x
  2. Step 2: Convert to fraction form
    686,869/1,050,701 = 1,050,701/x
  3. Step 3: Cross multiply
    686,869x = 1,050,701 × 1,050,701
  4. Step 4: Simplify right side
    686,869x = 1,103,972,591,401
  5. Step 5: Solve for x
    x = 1,103,972,591,401/686,869
  6. Step 6: Final answer
    x = 1,607,253.48

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.