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Finding the Third Proportional to 66,460.50 and 91,383.19

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Solution

The third proportional to 66,460.50 and 91,383.19 is: 125,651.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,460.50 : 91,383.19 = 91,383.19 : x
  2. Step 2: Convert to fraction form
    66,460.50/91,383.19 = 91,383.19/x
  3. Step 3: Cross multiply
    66,460.50x = 91,383.19 × 91,383.19
  4. Step 4: Simplify right side
    66,460.50x = 8,350,886,957.66
  5. Step 5: Solve for x
    x = 8,350,886,957.66/66,460.50
  6. Step 6: Final answer
    x = 125,651.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.