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Finding the Third Proportional to 270,252 and 423,937

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Solution

The third proportional to 270,252 and 423,937 is: 665,018.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,252 : 423,937 = 423,937 : x
  2. Step 2: Convert to fraction form
    270,252/423,937 = 423,937/x
  3. Step 3: Cross multiply
    270,252x = 423,937 × 423,937
  4. Step 4: Simplify right side
    270,252x = 179,722,579,969
  5. Step 5: Solve for x
    x = 179,722,579,969/270,252
  6. Step 6: Final answer
    x = 665,018.50

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.