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Finding the Third Proportional to 34,286 and 74,332

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Solution

The third proportional to 34,286 and 74,332 is: 161,151.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,286 : 74,332 = 74,332 : x
  2. Step 2: Convert to fraction form
    34,286/74,332 = 74,332/x
  3. Step 3: Cross multiply
    34,286x = 74,332 × 74,332
  4. Step 4: Simplify right side
    34,286x = 5,525,246,224
  5. Step 5: Solve for x
    x = 5,525,246,224/34,286
  6. Step 6: Final answer
    x = 161,151.67

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.