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Finding the Third Proportional to 18,521,764 and 20,736,100

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Solution

The third proportional to 18,521,764 and 20,736,100 is: 23,215,166.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,521,764 : 20,736,100 = 20,736,100 : x
  2. Step 2: Convert to fraction form
    18,521,764/20,736,100 = 20,736,100/x
  3. Step 3: Cross multiply
    18,521,764x = 20,736,100 × 20,736,100
  4. Step 4: Simplify right side
    18,521,764x = 429,985,843,210,000
  5. Step 5: Solve for x
    x = 429,985,843,210,000/18,521,764
  6. Step 6: Final answer
    x = 23,215,166.94

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Why These Related Problems?

These problems maintain the same ratio (1.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.