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Finding the Third Proportional to 74,126 and 114,951

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Solution

The third proportional to 74,126 and 114,951 is: 178,260.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,126 : 114,951 = 114,951 : x
  2. Step 2: Convert to fraction form
    74,126/114,951 = 114,951/x
  3. Step 3: Cross multiply
    74,126x = 114,951 × 114,951
  4. Step 4: Simplify right side
    74,126x = 13,213,732,401
  5. Step 5: Solve for x
    x = 13,213,732,401/74,126
  6. Step 6: Final answer
    x = 178,260.43

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.