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Finding the Third Proportional to 338,190 and 744,018

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Solution

The third proportional to 338,190 and 744,018 is: 1,636,839.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,190 : 744,018 = 744,018 : x
  2. Step 2: Convert to fraction form
    338,190/744,018 = 744,018/x
  3. Step 3: Cross multiply
    338,190x = 744,018 × 744,018
  4. Step 4: Simplify right side
    338,190x = 553,562,784,324
  5. Step 5: Solve for x
    x = 553,562,784,324/338,190
  6. Step 6: Final answer
    x = 1,636,839.60

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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.