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Finding the Third Proportional to 8,878,656.38 and 19,079,013.38

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Solution

The third proportional to 8,878,656.38 and 19,079,013.38 is: 40,998,179.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878,656.38 : 19,079,013.38 = 19,079,013.38 : x
  2. Step 2: Convert to fraction form
    8,878,656.38/19,079,013.38 = 19,079,013.38/x
  3. Step 3: Cross multiply
    8,878,656.38x = 19,079,013.38 × 19,079,013.38
  4. Step 4: Simplify right side
    8,878,656.38x = 364,008,751,363,428.88
  5. Step 5: Solve for x
    x = 364,008,751,363,428.88/8,878,656.38
  6. Step 6: Final answer
    x = 40,998,179.90

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.