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Finding the Third Proportional to 376,401,576 and 815,336,043

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Solution

The third proportional to 376,401,576 and 815,336,043 is: 1,766,126,672.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,401,576 : 815,336,043 = 815,336,043 : x
  2. Step 2: Convert to fraction form
    376,401,576/815,336,043 = 815,336,043/x
  3. Step 3: Cross multiply
    376,401,576x = 815,336,043 × 815,336,043
  4. Step 4: Simplify right side
    376,401,576x = 664,772,863,014,897,792
  5. Step 5: Solve for x
    x = 664,772,863,014,897,792/376,401,576
  6. Step 6: Final answer
    x = 1,766,126,672.69

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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.