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Finding the Third Proportional to 320,420,674 and 657,827,676

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Solution

The third proportional to 320,420,674 and 657,827,676 is: 1,350,528,497.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,420,674 : 657,827,676 = 657,827,676 : x
  2. Step 2: Convert to fraction form
    320,420,674/657,827,676 = 657,827,676/x
  3. Step 3: Cross multiply
    320,420,674x = 657,827,676 × 657,827,676
  4. Step 4: Simplify right side
    320,420,674x = 432,737,251,311,560,960
  5. Step 5: Solve for x
    x = 432,737,251,311,560,960/320,420,674
  6. Step 6: Final answer
    x = 1,350,528,497.15

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.