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Finding the Third Proportional to 18,838.83 and 40,635.28

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Solution

The third proportional to 18,838.83 and 40,635.28 is: 87,650.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,838.83 : 40,635.28 = 40,635.28 : x
  2. Step 2: Convert to fraction form
    18,838.83/40,635.28 = 40,635.28/x
  3. Step 3: Cross multiply
    18,838.83x = 40,635.28 × 40,635.28
  4. Step 4: Simplify right side
    18,838.83x = 1,651,226,082.27
  5. Step 5: Solve for x
    x = 1,651,226,082.27/18,838.83
  6. Step 6: Final answer
    x = 87,650.15

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.