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Finding the Third Proportional to 81,063.52 and 115,476.38

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Solution

The third proportional to 81,063.52 and 115,476.38 is: 164,498.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,063.52 : 115,476.38 = 115,476.38 : x
  2. Step 2: Convert to fraction form
    81,063.52/115,476.38 = 115,476.38/x
  3. Step 3: Cross multiply
    81,063.52x = 115,476.38 × 115,476.38
  4. Step 4: Simplify right side
    81,063.52x = 13,334,793,521.45
  5. Step 5: Solve for x
    x = 13,334,793,521.45/81,063.52
  6. Step 6: Final answer
    x = 164,498.08

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These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.