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Finding the Third Proportional to 43,101 and 66,903.75

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Solution

The third proportional to 43,101 and 66,903.75 is: 103,851.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,101 : 66,903.75 = 66,903.75 : x
  2. Step 2: Convert to fraction form
    43,101/66,903.75 = 66,903.75/x
  3. Step 3: Cross multiply
    43,101x = 66,903.75 × 66,903.75
  4. Step 4: Simplify right side
    43,101x = 4,476,111,764.06
  5. Step 5: Solve for x
    x = 4,476,111,764.06/43,101
  6. Step 6: Final answer
    x = 103,851.69

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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.