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Finding the Third Proportional to 263,400.75 and 558,148.50

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Solution

The third proportional to 263,400.75 and 558,148.50 is: 1,182,721.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,400.75 : 558,148.50 = 558,148.50 : x
  2. Step 2: Convert to fraction form
    263,400.75/558,148.50 = 558,148.50/x
  3. Step 3: Cross multiply
    263,400.75x = 558,148.50 × 558,148.50
  4. Step 4: Simplify right side
    263,400.75x = 311,529,748,052.25
  5. Step 5: Solve for x
    x = 311,529,748,052.25/263,400.75
  6. Step 6: Final answer
    x = 1,182,721.57

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.