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Finding the Third Proportional to 253,767 and 368,662.50

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Solution

The third proportional to 253,767 and 368,662.50 is: 535,578.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,767 : 368,662.50 = 368,662.50 : x
  2. Step 2: Convert to fraction form
    253,767/368,662.50 = 368,662.50/x
  3. Step 3: Cross multiply
    253,767x = 368,662.50 × 368,662.50
  4. Step 4: Simplify right side
    253,767x = 135,912,038,906.25
  5. Step 5: Solve for x
    x = 135,912,038,906.25/253,767
  6. Step 6: Final answer
    x = 535,578.07

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.