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Finding the Third Proportional to 172,564 and 270,756

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Solution

The third proportional to 172,564 and 270,756 is: 424,821.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,564 : 270,756 = 270,756 : x
  2. Step 2: Convert to fraction form
    172,564/270,756 = 270,756/x
  3. Step 3: Cross multiply
    172,564x = 270,756 × 270,756
  4. Step 4: Simplify right side
    172,564x = 73,308,811,536
  5. Step 5: Solve for x
    x = 73,308,811,536/172,564
  6. Step 6: Final answer
    x = 424,821.00

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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.