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Finding the Third Proportional to 341,220 and 734,280

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Solution

The third proportional to 341,220 and 734,280 is: 1,580,115.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,220 : 734,280 = 734,280 : x
  2. Step 2: Convert to fraction form
    341,220/734,280 = 734,280/x
  3. Step 3: Cross multiply
    341,220x = 734,280 × 734,280
  4. Step 4: Simplify right side
    341,220x = 539,167,118,400
  5. Step 5: Solve for x
    x = 539,167,118,400/341,220
  6. Step 6: Final answer
    x = 1,580,115.82

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.