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Finding the Third Proportional to 605,220 and 1,303,803

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Solution

The third proportional to 605,220 and 1,303,803 is: 2,808,734.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,220 : 1,303,803 = 1,303,803 : x
  2. Step 2: Convert to fraction form
    605,220/1,303,803 = 1,303,803/x
  3. Step 3: Cross multiply
    605,220x = 1,303,803 × 1,303,803
  4. Step 4: Simplify right side
    605,220x = 1,699,902,262,809
  5. Step 5: Solve for x
    x = 1,699,902,262,809/605,220
  6. Step 6: Final answer
    x = 2,808,734.45

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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.