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Finding the Third Proportional to 338,883.75 and 730,255.50

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Solution

The third proportional to 338,883.75 and 730,255.50 is: 1,573,616.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,883.75 : 730,255.50 = 730,255.50 : x
  2. Step 2: Convert to fraction form
    338,883.75/730,255.50 = 730,255.50/x
  3. Step 3: Cross multiply
    338,883.75x = 730,255.50 × 730,255.50
  4. Step 4: Simplify right side
    338,883.75x = 533,273,095,280.25
  5. Step 5: Solve for x
    x = 533,273,095,280.25/338,883.75
  6. Step 6: Final answer
    x = 1,573,616.60

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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.