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Finding the Third Proportional to 758,415 and 1,628,357

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Solution

The third proportional to 758,415 and 1,628,357 is: 3,496,168.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,415 : 1,628,357 = 1,628,357 : x
  2. Step 2: Convert to fraction form
    758,415/1,628,357 = 1,628,357/x
  3. Step 3: Cross multiply
    758,415x = 1,628,357 × 1,628,357
  4. Step 4: Simplify right side
    758,415x = 2,651,546,519,449
  5. Step 5: Solve for x
    x = 2,651,546,519,449/758,415
  6. Step 6: Final answer
    x = 3,496,168.35

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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.