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Finding the Third Proportional to 283,932 and 626,940

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Solution

The third proportional to 283,932 and 626,940 is: 1,384,323.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,932 : 626,940 = 626,940 : x
  2. Step 2: Convert to fraction form
    283,932/626,940 = 626,940/x
  3. Step 3: Cross multiply
    283,932x = 626,940 × 626,940
  4. Step 4: Simplify right side
    283,932x = 393,053,763,600
  5. Step 5: Solve for x
    x = 393,053,763,600/283,932
  6. Step 6: Final answer
    x = 1,384,323.58

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.