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Finding the Third Proportional to 209,739 and 332,266.50

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Solution

The third proportional to 209,739 and 332,266.50 is: 526,373.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,739 : 332,266.50 = 332,266.50 : x
  2. Step 2: Convert to fraction form
    209,739/332,266.50 = 332,266.50/x
  3. Step 3: Cross multiply
    209,739x = 332,266.50 × 332,266.50
  4. Step 4: Simplify right side
    209,739x = 110,401,027,022.25
  5. Step 5: Solve for x
    x = 110,401,027,022.25/209,739
  6. Step 6: Final answer
    x = 526,373.38

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.