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Finding the Third Proportional to 859,198 and 1,262,489

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Solution

The third proportional to 859,198 and 1,262,489 is: 1,855,077.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,198 : 1,262,489 = 1,262,489 : x
  2. Step 2: Convert to fraction form
    859,198/1,262,489 = 1,262,489/x
  3. Step 3: Cross multiply
    859,198x = 1,262,489 × 1,262,489
  4. Step 4: Simplify right side
    859,198x = 1,593,878,475,121
  5. Step 5: Solve for x
    x = 1,593,878,475,121/859,198
  6. Step 6: Final answer
    x = 1,855,077.03

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.