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Finding the Third Proportional to 83,325.75 and 125,724

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Solution

The third proportional to 83,325.75 and 125,724 is: 189,695.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,325.75 : 125,724 = 125,724 : x
  2. Step 2: Convert to fraction form
    83,325.75/125,724 = 125,724/x
  3. Step 3: Cross multiply
    83,325.75x = 125,724 × 125,724
  4. Step 4: Simplify right side
    83,325.75x = 15,806,524,176
  5. Step 5: Solve for x
    x = 15,806,524,176/83,325.75
  6. Step 6: Final answer
    x = 189,695.55

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.