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Finding the Third Proportional to 66,301 and 143,192

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Solution

The third proportional to 66,301 and 143,192 is: 309,255.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,301 : 143,192 = 143,192 : x
  2. Step 2: Convert to fraction form
    66,301/143,192 = 143,192/x
  3. Step 3: Cross multiply
    66,301x = 143,192 × 143,192
  4. Step 4: Simplify right side
    66,301x = 20,503,948,864
  5. Step 5: Solve for x
    x = 20,503,948,864/66,301
  6. Step 6: Final answer
    x = 309,255.50

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.