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Finding the Third Proportional to 66,341.25 and 140,170.50

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Solution

The third proportional to 66,341.25 and 140,170.50 is: 296,162.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,341.25 : 140,170.50 = 140,170.50 : x
  2. Step 2: Convert to fraction form
    66,341.25/140,170.50 = 140,170.50/x
  3. Step 3: Cross multiply
    66,341.25x = 140,170.50 × 140,170.50
  4. Step 4: Simplify right side
    66,341.25x = 19,647,769,070.25
  5. Step 5: Solve for x
    x = 19,647,769,070.25/66,341.25
  6. Step 6: Final answer
    x = 296,162.18

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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.