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Finding the Third Proportional to 703,690 and 1,544,391

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Solution

The third proportional to 703,690 and 1,544,391 is: 3,389,480.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,690 : 1,544,391 = 1,544,391 : x
  2. Step 2: Convert to fraction form
    703,690/1,544,391 = 1,544,391/x
  3. Step 3: Cross multiply
    703,690x = 1,544,391 × 1,544,391
  4. Step 4: Simplify right side
    703,690x = 2,385,143,560,881
  5. Step 5: Solve for x
    x = 2,385,143,560,881/703,690
  6. Step 6: Final answer
    x = 3,389,480.54

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.