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Finding the Third Proportional to 66,942 and 146,304

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Solution

The third proportional to 66,942 and 146,304 is: 319,752.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,942 : 146,304 = 146,304 : x
  2. Step 2: Convert to fraction form
    66,942/146,304 = 146,304/x
  3. Step 3: Cross multiply
    66,942x = 146,304 × 146,304
  4. Step 4: Simplify right side
    66,942x = 21,404,860,416
  5. Step 5: Solve for x
    x = 21,404,860,416/66,942
  6. Step 6: Final answer
    x = 319,752.33

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.