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Finding the Third Proportional to 188,031.38 and 402,306.75

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Solution

The third proportional to 188,031.38 and 402,306.75 is: 860,764.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,031.38 : 402,306.75 = 402,306.75 : x
  2. Step 2: Convert to fraction form
    188,031.38/402,306.75 = 402,306.75/x
  3. Step 3: Cross multiply
    188,031.38x = 402,306.75 × 402,306.75
  4. Step 4: Simplify right side
    188,031.38x = 161,850,721,095.56
  5. Step 5: Solve for x
    x = 161,850,721,095.56/188,031.38
  6. Step 6: Final answer
    x = 860,764.44

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These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.