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Finding the Third Proportional to 1,330,291 and 2,918,100

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Solution

The third proportional to 1,330,291 and 2,918,100 is: 6,401,086.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,291 : 2,918,100 = 2,918,100 : x
  2. Step 2: Convert to fraction form
    1,330,291/2,918,100 = 2,918,100/x
  3. Step 3: Cross multiply
    1,330,291x = 2,918,100 × 2,918,100
  4. Step 4: Simplify right side
    1,330,291x = 8,515,307,610,000
  5. Step 5: Solve for x
    x = 8,515,307,610,000/1,330,291
  6. Step 6: Final answer
    x = 6,401,086.39

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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.