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Finding the Third Proportional to 13,053,990 and 18,350,433

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Solution

The third proportional to 13,053,990 and 18,350,433 is: 25,795,821.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,053,990 : 18,350,433 = 18,350,433 : x
  2. Step 2: Convert to fraction form
    13,053,990/18,350,433 = 18,350,433/x
  3. Step 3: Cross multiply
    13,053,990x = 18,350,433 × 18,350,433
  4. Step 4: Simplify right side
    13,053,990x = 336,738,391,287,489
  5. Step 5: Solve for x
    x = 336,738,391,287,489/13,053,990
  6. Step 6: Final answer
    x = 25,795,821.15

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.