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Finding the Third Proportional to 68,515.03 and 100,695.66

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Solution

The third proportional to 68,515.03 and 100,695.66 is: 147,991.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,515.03 : 100,695.66 = 100,695.66 : x
  2. Step 2: Convert to fraction form
    68,515.03/100,695.66 = 100,695.66/x
  3. Step 3: Cross multiply
    68,515.03x = 100,695.66 × 100,695.66
  4. Step 4: Simplify right side
    68,515.03x = 10,139,615,187.62
  5. Step 5: Solve for x
    x = 10,139,615,187.62/68,515.03
  6. Step 6: Final answer
    x = 147,991.11

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.