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Finding the Third Proportional to 66,930.75 and 103,637.25

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Solution

The third proportional to 66,930.75 and 103,637.25 is: 160,474.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,930.75 : 103,637.25 = 103,637.25 : x
  2. Step 2: Convert to fraction form
    66,930.75/103,637.25 = 103,637.25/x
  3. Step 3: Cross multiply
    66,930.75x = 103,637.25 × 103,637.25
  4. Step 4: Simplify right side
    66,930.75x = 10,740,679,587.56
  5. Step 5: Solve for x
    x = 10,740,679,587.56/66,930.75
  6. Step 6: Final answer
    x = 160,474.51

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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.