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Finding the Third Proportional to 61,412 and 133,192

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Solution

The third proportional to 61,412 and 133,192 is: 288,870.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,412 : 133,192 = 133,192 : x
  2. Step 2: Convert to fraction form
    61,412/133,192 = 133,192/x
  3. Step 3: Cross multiply
    61,412x = 133,192 × 133,192
  4. Step 4: Simplify right side
    61,412x = 17,740,108,864
  5. Step 5: Solve for x
    x = 17,740,108,864/61,412
  6. Step 6: Final answer
    x = 288,870.40

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.