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Finding the Third Proportional to 142,251.75 and 304,680.38

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Solution

The third proportional to 142,251.75 and 304,680.38 is: 652,576.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,251.75 : 304,680.38 = 304,680.38 : x
  2. Step 2: Convert to fraction form
    142,251.75/304,680.38 = 304,680.38/x
  3. Step 3: Cross multiply
    142,251.75x = 304,680.38 × 304,680.38
  4. Step 4: Simplify right side
    142,251.75x = 92,830,130,910.14
  5. Step 5: Solve for x
    x = 92,830,130,910.14/142,251.75
  6. Step 6: Final answer
    x = 652,576.37

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.