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Finding the Third Proportional to 20,660,715 and 45,041,521

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Solution

The third proportional to 20,660,715 and 45,041,521 is: 98,193,049.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,660,715 : 45,041,521 = 45,041,521 : x
  2. Step 2: Convert to fraction form
    20,660,715/45,041,521 = 45,041,521/x
  3. Step 3: Cross multiply
    20,660,715x = 45,041,521 × 45,041,521
  4. Step 4: Simplify right side
    20,660,715x = 2,028,738,613,993,441
  5. Step 5: Solve for x
    x = 2,028,738,613,993,441/20,660,715
  6. Step 6: Final answer
    x = 98,193,049.66

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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.