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Finding the Third Proportional to 144,870.75 and 313,859.25

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Solution

The third proportional to 144,870.75 and 313,859.25 is: 679,969.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,870.75 : 313,859.25 = 313,859.25 : x
  2. Step 2: Convert to fraction form
    144,870.75/313,859.25 = 313,859.25/x
  3. Step 3: Cross multiply
    144,870.75x = 313,859.25 × 313,859.25
  4. Step 4: Simplify right side
    144,870.75x = 98,507,628,810.56
  5. Step 5: Solve for x
    x = 98,507,628,810.56/144,870.75
  6. Step 6: Final answer
    x = 679,969.07

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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.