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Finding the Third Proportional to 126,388 and 273,044

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Solution

The third proportional to 126,388 and 273,044 is: 589,874.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,388 : 273,044 = 273,044 : x
  2. Step 2: Convert to fraction form
    126,388/273,044 = 273,044/x
  3. Step 3: Cross multiply
    126,388x = 273,044 × 273,044
  4. Step 4: Simplify right side
    126,388x = 74,553,025,936
  5. Step 5: Solve for x
    x = 74,553,025,936/126,388
  6. Step 6: Final answer
    x = 589,874.24

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.