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Finding the Third Proportional to 71,808.75 and 113,653.13

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Solution

The third proportional to 71,808.75 and 113,653.13 is: 179,881.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,808.75 : 113,653.13 = 113,653.13 : x
  2. Step 2: Convert to fraction form
    71,808.75/113,653.13 = 113,653.13/x
  3. Step 3: Cross multiply
    71,808.75x = 113,653.13 × 113,653.13
  4. Step 4: Simplify right side
    71,808.75x = 12,917,032,822.27
  5. Step 5: Solve for x
    x = 12,917,032,822.27/71,808.75
  6. Step 6: Final answer
    x = 179,881.04

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.