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Finding the Third Proportional to 574,240.50 and 855,756

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Solution

The third proportional to 574,240.50 and 855,756 is: 1,275,281.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,240.50 : 855,756 = 855,756 : x
  2. Step 2: Convert to fraction form
    574,240.50/855,756 = 855,756/x
  3. Step 3: Cross multiply
    574,240.50x = 855,756 × 855,756
  4. Step 4: Simplify right side
    574,240.50x = 732,318,331,536
  5. Step 5: Solve for x
    x = 732,318,331,536/574,240.50
  6. Step 6: Final answer
    x = 1,275,281.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.