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Finding the Third Proportional to 105,683.06 and 163,828.69

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Solution

The third proportional to 105,683.06 and 163,828.69 is: 253,965.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,683.06 : 163,828.69 = 163,828.69 : x
  2. Step 2: Convert to fraction form
    105,683.06/163,828.69 = 163,828.69/x
  3. Step 3: Cross multiply
    105,683.06x = 163,828.69 × 163,828.69
  4. Step 4: Simplify right side
    105,683.06x = 26,839,838,847.97
  5. Step 5: Solve for x
    x = 26,839,838,847.97/105,683.06
  6. Step 6: Final answer
    x = 253,965.38

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.