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Finding the Third Proportional to 177,387 and 210,192

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Solution

The third proportional to 177,387 and 210,192 is: 249,063.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,387 : 210,192 = 210,192 : x
  2. Step 2: Convert to fraction form
    177,387/210,192 = 210,192/x
  3. Step 3: Cross multiply
    177,387x = 210,192 × 210,192
  4. Step 4: Simplify right side
    177,387x = 44,180,676,864
  5. Step 5: Solve for x
    x = 44,180,676,864/177,387
  6. Step 6: Final answer
    x = 249,063.78

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.