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Finding the Third Proportional to 291,834.75 and 450,698.63

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Solution

The third proportional to 291,834.75 and 450,698.63 is: 696,042.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,834.75 : 450,698.63 = 450,698.63 : x
  2. Step 2: Convert to fraction form
    291,834.75/450,698.63 = 450,698.63/x
  3. Step 3: Cross multiply
    291,834.75x = 450,698.63 × 450,698.63
  4. Step 4: Simplify right side
    291,834.75x = 203,129,250,576.89
  5. Step 5: Solve for x
    x = 203,129,250,576.89/291,834.75
  6. Step 6: Final answer
    x = 696,042.03

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.