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Finding the Third Proportional to 2,143,764,615 and 4,643,672,278

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Solution

The third proportional to 2,143,764,615 and 4,643,672,278 is: 10,058,796,602.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143,764,615 : 4,643,672,278 = 4,643,672,278 : x
  2. Step 2: Convert to fraction form
    2,143,764,615/4,643,672,278 = 4,643,672,278/x
  3. Step 3: Cross multiply
    2,143,764,615x = 4,643,672,278 × 4,643,672,278
  4. Step 4: Simplify right side
    2,143,764,615x = 21,563,692,225,465,708,544
  5. Step 5: Solve for x
    x = 21,563,692,225,465,708,544/2,143,764,615
  6. Step 6: Final answer
    x = 10,058,796,602.29

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.