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Finding the Third Proportional to 550,515 and 804,529.50

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Solution

The third proportional to 550,515 and 804,529.50 is: 1,175,749.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,515 : 804,529.50 = 804,529.50 : x
  2. Step 2: Convert to fraction form
    550,515/804,529.50 = 804,529.50/x
  3. Step 3: Cross multiply
    550,515x = 804,529.50 × 804,529.50
  4. Step 4: Simplify right side
    550,515x = 647,267,716,370.25
  5. Step 5: Solve for x
    x = 647,267,716,370.25/550,515
  6. Step 6: Final answer
    x = 1,175,749.46

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.