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Finding the Third Proportional to 142,713.14 and 313,675.03

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Solution

The third proportional to 142,713.14 and 313,675.03 is: 689,439.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,713.14 : 313,675.03 = 313,675.03 : x
  2. Step 2: Convert to fraction form
    142,713.14/313,675.03 = 313,675.03/x
  3. Step 3: Cross multiply
    142,713.14x = 313,675.03 × 313,675.03
  4. Step 4: Simplify right side
    142,713.14x = 98,392,025,229.69
  5. Step 5: Solve for x
    x = 98,392,025,229.69/142,713.14
  6. Step 6: Final answer
    x = 689,439.14

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.