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Finding the Third Proportional to 561,172.50 and 1,212,201

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Solution

The third proportional to 561,172.50 and 1,212,201 is: 2,618,501.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,172.50 : 1,212,201 = 1,212,201 : x
  2. Step 2: Convert to fraction form
    561,172.50/1,212,201 = 1,212,201/x
  3. Step 3: Cross multiply
    561,172.50x = 1,212,201 × 1,212,201
  4. Step 4: Simplify right side
    561,172.50x = 1,469,431,264,401
  5. Step 5: Solve for x
    x = 1,469,431,264,401/561,172.50
  6. Step 6: Final answer
    x = 2,618,501.91

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.