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Finding the Third Proportional to 2,803,556 and 4,392,170

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Solution

The third proportional to 2,803,556 and 4,392,170 is: 6,880,960.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803,556 : 4,392,170 = 4,392,170 : x
  2. Step 2: Convert to fraction form
    2,803,556/4,392,170 = 4,392,170/x
  3. Step 3: Cross multiply
    2,803,556x = 4,392,170 × 4,392,170
  4. Step 4: Simplify right side
    2,803,556x = 19,291,157,308,900
  5. Step 5: Solve for x
    x = 19,291,157,308,900/2,803,556
  6. Step 6: Final answer
    x = 6,880,960.22

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.