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Finding the Third Proportional to 187,434,954 and 403,673,400

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Solution

The third proportional to 187,434,954 and 403,673,400 is: 869,380,072.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,434,954 : 403,673,400 = 403,673,400 : x
  2. Step 2: Convert to fraction form
    187,434,954/403,673,400 = 403,673,400/x
  3. Step 3: Cross multiply
    187,434,954x = 403,673,400 × 403,673,400
  4. Step 4: Simplify right side
    187,434,954x = 162,952,213,867,560,000
  5. Step 5: Solve for x
    x = 162,952,213,867,560,000/187,434,954
  6. Step 6: Final answer
    x = 869,380,072.34

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.