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Finding the Third Proportional to 147,792 and 317,757

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Solution

The third proportional to 147,792 and 317,757 is: 683,186.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,792 : 317,757 = 317,757 : x
  2. Step 2: Convert to fraction form
    147,792/317,757 = 317,757/x
  3. Step 3: Cross multiply
    147,792x = 317,757 × 317,757
  4. Step 4: Simplify right side
    147,792x = 100,969,511,049
  5. Step 5: Solve for x
    x = 100,969,511,049/147,792
  6. Step 6: Final answer
    x = 683,186.58

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.