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Finding the Third Proportional to 101,779.03 and 215,039.81

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Solution

The third proportional to 101,779.03 and 215,039.81 is: 454,338.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,779.03 : 215,039.81 = 215,039.81 : x
  2. Step 2: Convert to fraction form
    101,779.03/215,039.81 = 215,039.81/x
  3. Step 3: Cross multiply
    101,779.03x = 215,039.81 × 215,039.81
  4. Step 4: Simplify right side
    101,779.03x = 46,242,120,960.04
  5. Step 5: Solve for x
    x = 46,242,120,960.04/101,779.03
  6. Step 6: Final answer
    x = 454,338.39

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.