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Finding the Third Proportional to 528,991 and 804,558

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Solution

The third proportional to 528,991 and 804,558 is: 1,223,675.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,991 : 804,558 = 804,558 : x
  2. Step 2: Convert to fraction form
    528,991/804,558 = 804,558/x
  3. Step 3: Cross multiply
    528,991x = 804,558 × 804,558
  4. Step 4: Simplify right side
    528,991x = 647,313,575,364
  5. Step 5: Solve for x
    x = 647,313,575,364/528,991
  6. Step 6: Final answer
    x = 1,223,675.97

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.