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Finding the Third Proportional to 178,542 and 236,951

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Solution

The third proportional to 178,542 and 236,951 is: 314,468.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,542 : 236,951 = 236,951 : x
  2. Step 2: Convert to fraction form
    178,542/236,951 = 236,951/x
  3. Step 3: Cross multiply
    178,542x = 236,951 × 236,951
  4. Step 4: Simplify right side
    178,542x = 56,145,776,401
  5. Step 5: Solve for x
    x = 56,145,776,401/178,542
  6. Step 6: Final answer
    x = 314,468.17

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.