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Finding the Third Proportional to 4,856.20 and 10,057.92

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Solution

The third proportional to 4,856.20 and 10,057.92 is: 20,831.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,856.20 : 10,057.92 = 10,057.92 : x
  2. Step 2: Convert to fraction form
    4,856.20/10,057.92 = 10,057.92/x
  3. Step 3: Cross multiply
    4,856.20x = 10,057.92 × 10,057.92
  4. Step 4: Simplify right side
    4,856.20x = 101,161,792.44
  5. Step 5: Solve for x
    x = 101,161,792.44/4,856.20
  6. Step 6: Final answer
    x = 20,831.46

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.