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Finding the Third Proportional to 865,689,028 and 1,816,408,615

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Solution

The third proportional to 865,689,028 and 1,816,408,615 is: 3,811,230,303.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,689,028 : 1,816,408,615 = 1,816,408,615 : x
  2. Step 2: Convert to fraction form
    865,689,028/1,816,408,615 = 1,816,408,615/x
  3. Step 3: Cross multiply
    865,689,028x = 1,816,408,615 × 1,816,408,615
  4. Step 4: Simplify right side
    865,689,028x = 3,299,340,256,646,218,240
  5. Step 5: Solve for x
    x = 3,299,340,256,646,218,240/865,689,028
  6. Step 6: Final answer
    x = 3,811,230,303.18

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.