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Finding the Third Proportional to 149,731.88 and 324,751.50

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Solution

The third proportional to 149,731.88 and 324,751.50 is: 704,349.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,731.88 : 324,751.50 = 324,751.50 : x
  2. Step 2: Convert to fraction form
    149,731.88/324,751.50 = 324,751.50/x
  3. Step 3: Cross multiply
    149,731.88x = 324,751.50 × 324,751.50
  4. Step 4: Simplify right side
    149,731.88x = 105,463,536,752.25
  5. Step 5: Solve for x
    x = 105,463,536,752.25/149,731.88
  6. Step 6: Final answer
    x = 704,349.27

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.