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Finding the Third Proportional to 538,498 and 844,815

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Solution

The third proportional to 538,498 and 844,815 is: 1,325,376.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,498 : 844,815 = 844,815 : x
  2. Step 2: Convert to fraction form
    538,498/844,815 = 844,815/x
  3. Step 3: Cross multiply
    538,498x = 844,815 × 844,815
  4. Step 4: Simplify right side
    538,498x = 713,712,384,225
  5. Step 5: Solve for x
    x = 713,712,384,225/538,498
  6. Step 6: Final answer
    x = 1,325,376.11

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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.