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Finding the Third Proportional to 8,901.77 and 18,828.70

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Solution

The third proportional to 8,901.77 and 18,828.70 is: 39,825.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,901.77 : 18,828.70 = 18,828.70 : x
  2. Step 2: Convert to fraction form
    8,901.77/18,828.70 = 18,828.70/x
  3. Step 3: Cross multiply
    8,901.77x = 18,828.70 × 18,828.70
  4. Step 4: Simplify right side
    8,901.77x = 354,520,061.37
  5. Step 5: Solve for x
    x = 354,520,061.37/8,901.77
  6. Step 6: Final answer
    x = 39,825.78

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.