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Finding the Third Proportional to 91,903.50 and 124,728.75

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Solution

The third proportional to 91,903.50 and 124,728.75 is: 169,278.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,903.50 : 124,728.75 = 124,728.75 : x
  2. Step 2: Convert to fraction form
    91,903.50/124,728.75 = 124,728.75/x
  3. Step 3: Cross multiply
    91,903.50x = 124,728.75 × 124,728.75
  4. Step 4: Simplify right side
    91,903.50x = 15,557,261,076.56
  5. Step 5: Solve for x
    x = 15,557,261,076.56/91,903.50
  6. Step 6: Final answer
    x = 169,278.22

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.