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Finding the Third Proportional to 4,420,130 and 9,486,109

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Solution

The third proportional to 4,420,130 and 9,486,109 is: 20,358,284.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420,130 : 9,486,109 = 9,486,109 : x
  2. Step 2: Convert to fraction form
    4,420,130/9,486,109 = 9,486,109/x
  3. Step 3: Cross multiply
    4,420,130x = 9,486,109 × 9,486,109
  4. Step 4: Simplify right side
    4,420,130x = 89,986,263,959,881
  5. Step 5: Solve for x
    x = 89,986,263,959,881/4,420,130
  6. Step 6: Final answer
    x = 20,358,284.48

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.