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Finding the Third Proportional to 341,019 and 717,390

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Solution

The third proportional to 341,019 and 717,390 is: 1,509,148.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,019 : 717,390 = 717,390 : x
  2. Step 2: Convert to fraction form
    341,019/717,390 = 717,390/x
  3. Step 3: Cross multiply
    341,019x = 717,390 × 717,390
  4. Step 4: Simplify right side
    341,019x = 514,648,412,100
  5. Step 5: Solve for x
    x = 514,648,412,100/341,019
  6. Step 6: Final answer
    x = 1,509,148.79

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.