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Finding the Third Proportional to 715,249 and 1,553,517

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Solution

The third proportional to 715,249 and 1,553,517 is: 3,374,230.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,249 : 1,553,517 = 1,553,517 : x
  2. Step 2: Convert to fraction form
    715,249/1,553,517 = 1,553,517/x
  3. Step 3: Cross multiply
    715,249x = 1,553,517 × 1,553,517
  4. Step 4: Simplify right side
    715,249x = 2,413,415,069,289
  5. Step 5: Solve for x
    x = 2,413,415,069,289/715,249
  6. Step 6: Final answer
    x = 3,374,230.61

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.