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Finding the Third Proportional to 54,244,356.19 and 81,870,987.38

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Solution

The third proportional to 54,244,356.19 and 81,870,987.38 is: 123,567,851.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,244,356.19 : 81,870,987.38 = 81,870,987.38 : x
  2. Step 2: Convert to fraction form
    54,244,356.19/81,870,987.38 = 81,870,987.38/x
  3. Step 3: Cross multiply
    54,244,356.19x = 81,870,987.38 × 81,870,987.38
  4. Step 4: Simplify right side
    54,244,356.19x = 6,702,858,573,757,409
  5. Step 5: Solve for x
    x = 6,702,858,573,757,409/54,244,356.19
  6. Step 6: Final answer
    x = 123,567,851.94

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.