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Finding the Third Proportional to 1,918,659 and 2,771,914.50

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Solution

The third proportional to 1,918,659 and 2,771,914.50 is: 4,004,625.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,659 : 2,771,914.50 = 2,771,914.50 : x
  2. Step 2: Convert to fraction form
    1,918,659/2,771,914.50 = 2,771,914.50/x
  3. Step 3: Cross multiply
    1,918,659x = 2,771,914.50 × 2,771,914.50
  4. Step 4: Simplify right side
    1,918,659x = 7,683,509,995,310.25
  5. Step 5: Solve for x
    x = 7,683,509,995,310.25/1,918,659
  6. Step 6: Final answer
    x = 4,004,625.10

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.