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Finding the Third Proportional to 376,401,541 and 815,335,972

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Solution

The third proportional to 376,401,541 and 815,335,972 is: 1,766,126,529.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,401,541 : 815,335,972 = 815,335,972 : x
  2. Step 2: Convert to fraction form
    376,401,541/815,335,972 = 815,335,972/x
  3. Step 3: Cross multiply
    376,401,541x = 815,335,972 × 815,335,972
  4. Step 4: Simplify right side
    376,401,541x = 664,772,747,237,184,768
  5. Step 5: Solve for x
    x = 664,772,747,237,184,768/376,401,541
  6. Step 6: Final answer
    x = 1,766,126,529.32

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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.