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Finding the Third Proportional to 178,630 and 375,644

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Solution

The third proportional to 178,630 and 375,644 is: 789,948.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,630 : 375,644 = 375,644 : x
  2. Step 2: Convert to fraction form
    178,630/375,644 = 375,644/x
  3. Step 3: Cross multiply
    178,630x = 375,644 × 375,644
  4. Step 4: Simplify right side
    178,630x = 141,108,414,736
  5. Step 5: Solve for x
    x = 141,108,414,736/178,630
  6. Step 6: Final answer
    x = 789,948.02

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.