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Finding the Third Proportional to 1,818,444,544 and 3,920,729,076

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Solution

The third proportional to 1,818,444,544 and 3,920,729,076 is: 8,453,442,552.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,444,544 : 3,920,729,076 = 3,920,729,076 : x
  2. Step 2: Convert to fraction form
    1,818,444,544/3,920,729,076 = 3,920,729,076/x
  3. Step 3: Cross multiply
    1,818,444,544x = 3,920,729,076 × 3,920,729,076
  4. Step 4: Simplify right side
    1,818,444,544x = 15,372,116,487,391,813,632
  5. Step 5: Solve for x
    x = 15,372,116,487,391,813,632/1,818,444,544
  6. Step 6: Final answer
    x = 8,453,442,552.38

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.