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Finding the Third Proportional to 3,155.63 and 8,299.13

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Solution

The third proportional to 3,155.63 and 8,299.13 is: 21,826.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.63 : 8,299.13 = 8,299.13 : x
  2. Step 2: Convert to fraction form
    3,155.63/8,299.13 = 8,299.13/x
  3. Step 3: Cross multiply
    3,155.63x = 8,299.13 × 8,299.13
  4. Step 4: Simplify right side
    3,155.63x = 68,875,475.77
  5. Step 5: Solve for x
    x = 68,875,475.77/3,155.63
  6. Step 6: Final answer
    x = 21,826.25

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Why These Related Problems?

These problems maintain the same ratio (2.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.