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Finding the Third Proportional to 4,915,980 and 10,027,140

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Solution

The third proportional to 4,915,980 and 10,027,140 is: 20,452,389.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915,980 : 10,027,140 = 10,027,140 : x
  2. Step 2: Convert to fraction form
    4,915,980/10,027,140 = 10,027,140/x
  3. Step 3: Cross multiply
    4,915,980x = 10,027,140 × 10,027,140
  4. Step 4: Simplify right side
    4,915,980x = 100,543,536,579,600
  5. Step 5: Solve for x
    x = 100,543,536,579,600/4,915,980
  6. Step 6: Final answer
    x = 20,452,389.27

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.