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Finding the Third Proportional to 528,039 and 1,121,525

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Solution

The third proportional to 528,039 and 1,121,525 is: 2,382,055.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,039 : 1,121,525 = 1,121,525 : x
  2. Step 2: Convert to fraction form
    528,039/1,121,525 = 1,121,525/x
  3. Step 3: Cross multiply
    528,039x = 1,121,525 × 1,121,525
  4. Step 4: Simplify right side
    528,039x = 1,257,818,325,625
  5. Step 5: Solve for x
    x = 1,257,818,325,625/528,039
  6. Step 6: Final answer
    x = 2,382,055.73

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.