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Finding the Third Proportional to 55,572.75 and 121,686.75

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Solution

The third proportional to 55,572.75 and 121,686.75 is: 266,455.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,572.75 : 121,686.75 = 121,686.75 : x
  2. Step 2: Convert to fraction form
    55,572.75/121,686.75 = 121,686.75/x
  3. Step 3: Cross multiply
    55,572.75x = 121,686.75 × 121,686.75
  4. Step 4: Simplify right side
    55,572.75x = 14,807,665,125.56
  5. Step 5: Solve for x
    x = 14,807,665,125.56/55,572.75
  6. Step 6: Final answer
    x = 266,455.50

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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.