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Finding the Third Proportional to 273,348 and 417,852

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Solution

The third proportional to 273,348 and 417,852 is: 638,747.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,348 : 417,852 = 417,852 : x
  2. Step 2: Convert to fraction form
    273,348/417,852 = 417,852/x
  3. Step 3: Cross multiply
    273,348x = 417,852 × 417,852
  4. Step 4: Simplify right side
    273,348x = 174,600,293,904
  5. Step 5: Solve for x
    x = 174,600,293,904/273,348
  6. Step 6: Final answer
    x = 638,747.29

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.