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Finding the Third Proportional to 49,699.88 and 106,815.75

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Solution

The third proportional to 49,699.88 and 106,815.75 is: 229,570.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,699.88 : 106,815.75 = 106,815.75 : x
  2. Step 2: Convert to fraction form
    49,699.88/106,815.75 = 106,815.75/x
  3. Step 3: Cross multiply
    49,699.88x = 106,815.75 × 106,815.75
  4. Step 4: Simplify right side
    49,699.88x = 11,409,604,448.06
  5. Step 5: Solve for x
    x = 11,409,604,448.06/49,699.88
  6. Step 6: Final answer
    x = 229,570.08

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.