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Finding the Third Proportional to 1,330,299 and 2,918,120

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Solution

The third proportional to 1,330,299 and 2,918,120 is: 6,401,135.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,299 : 2,918,120 = 2,918,120 : x
  2. Step 2: Convert to fraction form
    1,330,299/2,918,120 = 2,918,120/x
  3. Step 3: Cross multiply
    1,330,299x = 2,918,120 × 2,918,120
  4. Step 4: Simplify right side
    1,330,299x = 8,515,424,334,400
  5. Step 5: Solve for x
    x = 8,515,424,334,400/1,330,299
  6. Step 6: Final answer
    x = 6,401,135.64

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.