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Finding the Third Proportional to 607,389 and 1,328,838

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Solution

The third proportional to 607,389 and 1,328,838 is: 2,907,215.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,389 : 1,328,838 = 1,328,838 : x
  2. Step 2: Convert to fraction form
    607,389/1,328,838 = 1,328,838/x
  3. Step 3: Cross multiply
    607,389x = 1,328,838 × 1,328,838
  4. Step 4: Simplify right side
    607,389x = 1,765,810,430,244
  5. Step 5: Solve for x
    x = 1,765,810,430,244/607,389
  6. Step 6: Final answer
    x = 2,907,215.03

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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.