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Finding the Third Proportional to 18,797,397,538 and 28,196,099,660

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Solution

The third proportional to 18,797,397,538 and 28,196,099,660 is: 42,294,154,519.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,797,397,538 : 28,196,099,660 = 28,196,099,660 : x
  2. Step 2: Convert to fraction form
    18,797,397,538/28,196,099,660 = 28,196,099,660/x
  3. Step 3: Cross multiply
    18,797,397,538x = 28,196,099,660 × 28,196,099,660
  4. Step 4: Simplify right side
    18,797,397,538x = 795,020,036,036,652,171,264
  5. Step 5: Solve for x
    x = 795,020,036,036,652,171,264/18,797,397,538
  6. Step 6: Final answer
    x = 42,294,154,519.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.