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Finding the Third Proportional to 538,448 and 833,632

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Solution

The third proportional to 538,448 and 833,632 is: 1,290,639.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,448 : 833,632 = 833,632 : x
  2. Step 2: Convert to fraction form
    538,448/833,632 = 833,632/x
  3. Step 3: Cross multiply
    538,448x = 833,632 × 833,632
  4. Step 4: Simplify right side
    538,448x = 694,942,311,424
  5. Step 5: Solve for x
    x = 694,942,311,424/538,448
  6. Step 6: Final answer
    x = 1,290,639.60

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.