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Finding the Third Proportional to 144,571.50 and 313,276.50

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Solution

The third proportional to 144,571.50 and 313,276.50 is: 678,848.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,571.50 : 313,276.50 = 313,276.50 : x
  2. Step 2: Convert to fraction form
    144,571.50/313,276.50 = 313,276.50/x
  3. Step 3: Cross multiply
    144,571.50x = 313,276.50 × 313,276.50
  4. Step 4: Simplify right side
    144,571.50x = 98,142,165,452.25
  5. Step 5: Solve for x
    x = 98,142,165,452.25/144,571.50
  6. Step 6: Final answer
    x = 678,848.64

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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.