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Finding the Third Proportional to 20,660,721 and 45,041,533

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Solution

The third proportional to 20,660,721 and 45,041,533 is: 98,193,073.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,660,721 : 45,041,533 = 45,041,533 : x
  2. Step 2: Convert to fraction form
    20,660,721/45,041,533 = 45,041,533/x
  3. Step 3: Cross multiply
    20,660,721x = 45,041,533 × 45,041,533
  4. Step 4: Simplify right side
    20,660,721x = 2,028,739,694,990,089
  5. Step 5: Solve for x
    x = 2,028,739,694,990,089/20,660,721
  6. Step 6: Final answer
    x = 98,193,073.46

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.