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Finding the Third Proportional to 43,091,615 and 68,600,432

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Solution

The third proportional to 43,091,615 and 68,600,432 is: 109,209,628.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,091,615 : 68,600,432 = 68,600,432 : x
  2. Step 2: Convert to fraction form
    43,091,615/68,600,432 = 68,600,432/x
  3. Step 3: Cross multiply
    43,091,615x = 68,600,432 × 68,600,432
  4. Step 4: Simplify right side
    43,091,615x = 4,706,019,270,586,624
  5. Step 5: Solve for x
    x = 4,706,019,270,586,624/43,091,615
  6. Step 6: Final answer
    x = 109,209,628.62

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.