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Finding the Third Proportional to 239,421.50 and 501,020.50

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Solution

The third proportional to 239,421.50 and 501,020.50 is: 1,048,450.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,421.50 : 501,020.50 = 501,020.50 : x
  2. Step 2: Convert to fraction form
    239,421.50/501,020.50 = 501,020.50/x
  3. Step 3: Cross multiply
    239,421.50x = 501,020.50 × 501,020.50
  4. Step 4: Simplify right side
    239,421.50x = 251,021,541,420.25
  5. Step 5: Solve for x
    x = 251,021,541,420.25/239,421.50
  6. Step 6: Final answer
    x = 1,048,450.29

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.