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Finding the Third Proportional to 2,471,537.81 and 5,208,796.13

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Solution

The third proportional to 2,471,537.81 and 5,208,796.13 is: 10,977,601.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,471,537.81 : 5,208,796.13 = 5,208,796.13 : x
  2. Step 2: Convert to fraction form
    2,471,537.81/5,208,796.13 = 5,208,796.13/x
  3. Step 3: Cross multiply
    2,471,537.81x = 5,208,796.13 × 5,208,796.13
  4. Step 4: Simplify right side
    2,471,537.81x = 27,131,557,071,815.02
  5. Step 5: Solve for x
    x = 27,131,557,071,815.02/2,471,537.81
  6. Step 6: Final answer
    x = 10,977,601.45

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.