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Finding the Third Proportional to 439,823,615 and 646,272,169.50

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Solution

The third proportional to 439,823,615 and 646,272,169.50 is: 949,625,492.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,823,615 : 646,272,169.50 = 646,272,169.50 : x
  2. Step 2: Convert to fraction form
    439,823,615/646,272,169.50 = 646,272,169.50/x
  3. Step 3: Cross multiply
    439,823,615x = 646,272,169.50 × 646,272,169.50
  4. Step 4: Simplify right side
    439,823,615x = 417,667,717,070,236,736
  5. Step 5: Solve for x
    x = 417,667,717,070,236,736/439,823,615
  6. Step 6: Final answer
    x = 949,625,492.64

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.