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Finding the Third Proportional to 19,179,490 and 40,800,068

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Solution

The third proportional to 19,179,490 and 40,800,068 is: 86,793,003.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,179,490 : 40,800,068 = 40,800,068 : x
  2. Step 2: Convert to fraction form
    19,179,490/40,800,068 = 40,800,068/x
  3. Step 3: Cross multiply
    19,179,490x = 40,800,068 × 40,800,068
  4. Step 4: Simplify right side
    19,179,490x = 1,664,645,548,804,624
  5. Step 5: Solve for x
    x = 1,664,645,548,804,624/19,179,490
  6. Step 6: Final answer
    x = 86,793,003.82

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.