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Finding the Third Proportional to 201,894,615 and 439,218,630

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Solution

The third proportional to 201,894,615 and 439,218,630 is: 955,513,374.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,894,615 : 439,218,630 = 439,218,630 : x
  2. Step 2: Convert to fraction form
    201,894,615/439,218,630 = 439,218,630/x
  3. Step 3: Cross multiply
    201,894,615x = 439,218,630 × 439,218,630
  4. Step 4: Simplify right side
    201,894,615x = 192,913,004,939,076,896
  5. Step 5: Solve for x
    x = 192,913,004,939,076,896/201,894,615
  6. Step 6: Final answer
    x = 955,513,374.83

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.