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Finding the Third Proportional to 144,607.50 and 313,816.50

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Solution

The third proportional to 144,607.50 and 313,816.50 is: 681,021.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,607.50 : 313,816.50 = 313,816.50 : x
  2. Step 2: Convert to fraction form
    144,607.50/313,816.50 = 313,816.50/x
  3. Step 3: Cross multiply
    144,607.50x = 313,816.50 × 313,816.50
  4. Step 4: Simplify right side
    144,607.50x = 98,480,795,672.25
  5. Step 5: Solve for x
    x = 98,480,795,672.25/144,607.50
  6. Step 6: Final answer
    x = 681,021.36

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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.