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Finding the Third Proportional to 68,801.25 and 109,455.56

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Solution

The third proportional to 68,801.25 and 109,455.56 is: 174,132.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,801.25 : 109,455.56 = 109,455.56 : x
  2. Step 2: Convert to fraction form
    68,801.25/109,455.56 = 109,455.56/x
  3. Step 3: Cross multiply
    68,801.25x = 109,455.56 × 109,455.56
  4. Step 4: Simplify right side
    68,801.25x = 11,980,520,162.19
  5. Step 5: Solve for x
    x = 11,980,520,162.19/68,801.25
  6. Step 6: Final answer
    x = 174,132.30

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.