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Finding the Third Proportional to 919,100 and 1,995,115

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Solution

The third proportional to 919,100 and 1,995,115 is: 4,330,849.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,100 : 1,995,115 = 1,995,115 : x
  2. Step 2: Convert to fraction form
    919,100/1,995,115 = 1,995,115/x
  3. Step 3: Cross multiply
    919,100x = 1,995,115 × 1,995,115
  4. Step 4: Simplify right side
    919,100x = 3,980,483,863,225
  5. Step 5: Solve for x
    x = 3,980,483,863,225/919,100
  6. Step 6: Final answer
    x = 4,330,849.60

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.