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Finding the Third Proportional to 423,946,615 and 639,950,483

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Solution

The third proportional to 423,946,615 and 639,950,483 is: 966,009,884.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,946,615 : 639,950,483 = 639,950,483 : x
  2. Step 2: Convert to fraction form
    423,946,615/639,950,483 = 639,950,483/x
  3. Step 3: Cross multiply
    423,946,615x = 639,950,483 × 639,950,483
  4. Step 4: Simplify right side
    423,946,615x = 409,536,620,691,933,312
  5. Step 5: Solve for x
    x = 409,536,620,691,933,312/423,946,615
  6. Step 6: Final answer
    x = 966,009,884.74

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.