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Finding the Third Proportional to 858,824 and 1,135,542

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Solution

The third proportional to 858,824 and 1,135,542 is: 1,501,420.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,824 : 1,135,542 = 1,135,542 : x
  2. Step 2: Convert to fraction form
    858,824/1,135,542 = 1,135,542/x
  3. Step 3: Cross multiply
    858,824x = 1,135,542 × 1,135,542
  4. Step 4: Simplify right side
    858,824x = 1,289,455,633,764
  5. Step 5: Solve for x
    x = 1,289,455,633,764/858,824
  6. Step 6: Final answer
    x = 1,501,420.12

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.