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Finding the Third Proportional to 223,338 and 486,039

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Solution

The third proportional to 223,338 and 486,039 is: 1,057,741.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,338 : 486,039 = 486,039 : x
  2. Step 2: Convert to fraction form
    223,338/486,039 = 486,039/x
  3. Step 3: Cross multiply
    223,338x = 486,039 × 486,039
  4. Step 4: Simplify right side
    223,338x = 236,233,909,521
  5. Step 5: Solve for x
    x = 236,233,909,521/223,338
  6. Step 6: Final answer
    x = 1,057,741.67

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.