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Finding the Third Proportional to 18,751,140.56 and 28,176,635.95

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Solution

The third proportional to 18,751,140.56 and 28,176,635.95 is: 42,339,974.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,751,140.56 : 28,176,635.95 = 28,176,635.95 : x
  2. Step 2: Convert to fraction form
    18,751,140.56/28,176,635.95 = 28,176,635.95/x
  3. Step 3: Cross multiply
    18,751,140.56x = 28,176,635.95 × 28,176,635.95
  4. Step 4: Simplify right side
    18,751,140.56x = 793,922,813,634,936.38
  5. Step 5: Solve for x
    x = 793,922,813,634,936.38/18,751,140.56
  6. Step 6: Final answer
    x = 42,339,974.52

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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.