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Finding the Third Proportional to 351,248 and 543,360

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Solution

The third proportional to 351,248 and 543,360 is: 840,545.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,248 : 543,360 = 543,360 : x
  2. Step 2: Convert to fraction form
    351,248/543,360 = 543,360/x
  3. Step 3: Cross multiply
    351,248x = 543,360 × 543,360
  4. Step 4: Simplify right side
    351,248x = 295,240,089,600
  5. Step 5: Solve for x
    x = 295,240,089,600/351,248
  6. Step 6: Final answer
    x = 840,545.97

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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.