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Finding the Third Proportional to 19,280,078 and 28,181,216

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Solution

The third proportional to 19,280,078 and 28,181,216 is: 41,191,790.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,280,078 : 28,181,216 = 28,181,216 : x
  2. Step 2: Convert to fraction form
    19,280,078/28,181,216 = 28,181,216/x
  3. Step 3: Cross multiply
    19,280,078x = 28,181,216 × 28,181,216
  4. Step 4: Simplify right side
    19,280,078x = 794,180,935,238,656
  5. Step 5: Solve for x
    x = 794,180,935,238,656/19,280,078
  6. Step 6: Final answer
    x = 41,191,790.57

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.