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Finding the Third Proportional to 1,202,869 and 1,692,407

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Solution

The third proportional to 1,202,869 and 1,692,407 is: 2,381,174.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,869 : 1,692,407 = 1,692,407 : x
  2. Step 2: Convert to fraction form
    1,202,869/1,692,407 = 1,692,407/x
  3. Step 3: Cross multiply
    1,202,869x = 1,692,407 × 1,692,407
  4. Step 4: Simplify right side
    1,202,869x = 2,864,241,453,649
  5. Step 5: Solve for x
    x = 2,864,241,453,649/1,202,869
  6. Step 6: Final answer
    x = 2,381,174.89

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.