Home / 1,511,691,882.75-2,161,721,985.75

Finding the Third Proportional to 1,511,691,882.75 and 2,161,721,985.75

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Solution

The third proportional to 1,511,691,882.75 and 2,161,721,985.75 is: 3,091,266,148.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,691,882.75 : 2,161,721,985.75 = 2,161,721,985.75 : x
  2. Step 2: Convert to fraction form
    1,511,691,882.75/2,161,721,985.75 = 2,161,721,985.75/x
  3. Step 3: Cross multiply
    1,511,691,882.75x = 2,161,721,985.75 × 2,161,721,985.75
  4. Step 4: Simplify right side
    1,511,691,882.75x = 4,673,041,943,674,923,008
  5. Step 5: Solve for x
    x = 4,673,041,943,674,923,008/1,511,691,882.75
  6. Step 6: Final answer
    x = 3,091,266,148.21

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.