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Finding the Third Proportional to 74,156 and 114,922

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Solution

The third proportional to 74,156 and 114,922 is: 178,098.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,156 : 114,922 = 114,922 : x
  2. Step 2: Convert to fraction form
    74,156/114,922 = 114,922/x
  3. Step 3: Cross multiply
    74,156x = 114,922 × 114,922
  4. Step 4: Simplify right side
    74,156x = 13,207,066,084
  5. Step 5: Solve for x
    x = 13,207,066,084/74,156
  6. Step 6: Final answer
    x = 178,098.42

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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.