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Finding the Third Proportional to 813,644,531.72 and 1,765,995,164.44

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Solution

The third proportional to 813,644,531.72 and 1,765,995,164.44 is: 3,833,048,461.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,644,531.72 : 1,765,995,164.44 = 1,765,995,164.44 : x
  2. Step 2: Convert to fraction form
    813,644,531.72/1,765,995,164.44 = 1,765,995,164.44/x
  3. Step 3: Cross multiply
    813,644,531.72x = 1,765,995,164.44 × 1,765,995,164.44
  4. Step 4: Simplify right side
    813,644,531.72x = 3,118,738,920,816,632,832
  5. Step 5: Solve for x
    x = 3,118,738,920,816,632,832/813,644,531.72
  6. Step 6: Final answer
    x = 3,833,048,461.87

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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.