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Finding the Third Proportional to 18,215,796.38 and 43,001,264.81

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Solution

The third proportional to 18,215,796.38 and 43,001,264.81 is: 101,511,278.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,215,796.38 : 43,001,264.81 = 43,001,264.81 : x
  2. Step 2: Convert to fraction form
    18,215,796.38/43,001,264.81 = 43,001,264.81/x
  3. Step 3: Cross multiply
    18,215,796.38x = 43,001,264.81 × 43,001,264.81
  4. Step 4: Simplify right side
    18,215,796.38x = 1,849,108,775,474,750.75
  5. Step 5: Solve for x
    x = 1,849,108,775,474,750.75/18,215,796.38
  6. Step 6: Final answer
    x = 101,511,278.31

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.