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Finding the Third Proportional to 100,899.56 and 219,534.31

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Solution

The third proportional to 100,899.56 and 219,534.31 is: 477,656.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,899.56 : 219,534.31 = 219,534.31 : x
  2. Step 2: Convert to fraction form
    100,899.56/219,534.31 = 219,534.31/x
  3. Step 3: Cross multiply
    100,899.56x = 219,534.31 × 219,534.31
  4. Step 4: Simplify right side
    100,899.56x = 48,195,314,364.85
  5. Step 5: Solve for x
    x = 48,195,314,364.85/100,899.56
  6. Step 6: Final answer
    x = 477,656.33

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.