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Finding the Third Proportional to 106,015.50 and 163,944

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Solution

The third proportional to 106,015.50 and 163,944 is: 253,525.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,015.50 : 163,944 = 163,944 : x
  2. Step 2: Convert to fraction form
    106,015.50/163,944 = 163,944/x
  3. Step 3: Cross multiply
    106,015.50x = 163,944 × 163,944
  4. Step 4: Simplify right side
    106,015.50x = 26,877,635,136
  5. Step 5: Solve for x
    x = 26,877,635,136/106,015.50
  6. Step 6: Final answer
    x = 253,525.52

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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.