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Finding the Third Proportional to 11,666,808 and 18,260,100

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Solution

The third proportional to 11,666,808 and 18,260,100 is: 28,579,475.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,666,808 : 18,260,100 = 18,260,100 : x
  2. Step 2: Convert to fraction form
    11,666,808/18,260,100 = 18,260,100/x
  3. Step 3: Cross multiply
    11,666,808x = 18,260,100 × 18,260,100
  4. Step 4: Simplify right side
    11,666,808x = 333,431,252,010,000
  5. Step 5: Solve for x
    x = 333,431,252,010,000/11,666,808
  6. Step 6: Final answer
    x = 28,579,475.38

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.