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Finding the Third Proportional to 177,508.50 and 382,080

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Solution

The third proportional to 177,508.50 and 382,080 is: 822,412.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,508.50 : 382,080 = 382,080 : x
  2. Step 2: Convert to fraction form
    177,508.50/382,080 = 382,080/x
  3. Step 3: Cross multiply
    177,508.50x = 382,080 × 382,080
  4. Step 4: Simplify right side
    177,508.50x = 145,985,126,400
  5. Step 5: Solve for x
    x = 145,985,126,400/177,508.50
  6. Step 6: Final answer
    x = 822,412.03

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.