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Finding the Third Proportional to 345,868 and 752,336

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Solution

The third proportional to 345,868 and 752,336 is: 1,636,489.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,868 : 752,336 = 752,336 : x
  2. Step 2: Convert to fraction form
    345,868/752,336 = 752,336/x
  3. Step 3: Cross multiply
    345,868x = 752,336 × 752,336
  4. Step 4: Simplify right side
    345,868x = 566,009,456,896
  5. Step 5: Solve for x
    x = 566,009,456,896/345,868
  6. Step 6: Final answer
    x = 1,636,489.81

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.