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Finding the Third Proportional to 21,660,881 and 47,572,668

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Solution

The third proportional to 21,660,881 and 47,572,668 is: 104,481,380.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,660,881 : 47,572,668 = 47,572,668 : x
  2. Step 2: Convert to fraction form
    21,660,881/47,572,668 = 47,572,668/x
  3. Step 3: Cross multiply
    21,660,881x = 47,572,668 × 47,572,668
  4. Step 4: Simplify right side
    21,660,881x = 2,263,158,740,638,224
  5. Step 5: Solve for x
    x = 2,263,158,740,638,224/21,660,881
  6. Step 6: Final answer
    x = 104,481,380.08

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.