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Finding the Third Proportional to 3,521,871,449.25 and 7,676,555,995.50

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Solution

The third proportional to 3,521,871,449.25 and 7,676,555,995.50 is: 16,732,442,623.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521,871,449.25 : 7,676,555,995.50 = 7,676,555,995.50 : x
  2. Step 2: Convert to fraction form
    3,521,871,449.25/7,676,555,995.50 = 7,676,555,995.50/x
  3. Step 3: Cross multiply
    3,521,871,449.25x = 7,676,555,995.50 × 7,676,555,995.50
  4. Step 4: Simplify right side
    3,521,871,449.25x = 58,929,511,952,046,997,504
  5. Step 5: Solve for x
    x = 58,929,511,952,046,997,504/3,521,871,449.25
  6. Step 6: Final answer
    x = 16,732,442,623.54

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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.