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Finding the Third Proportional to 40,258.50 and 54,669.75

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Solution

The third proportional to 40,258.50 and 54,669.75 is: 74,239.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,258.50 : 54,669.75 = 54,669.75 : x
  2. Step 2: Convert to fraction form
    40,258.50/54,669.75 = 54,669.75/x
  3. Step 3: Cross multiply
    40,258.50x = 54,669.75 × 54,669.75
  4. Step 4: Simplify right side
    40,258.50x = 2,988,781,565.06
  5. Step 5: Solve for x
    x = 2,988,781,565.06/40,258.50
  6. Step 6: Final answer
    x = 74,239.76

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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.