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Finding the Third Proportional to 115,770 and 154,368

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Solution

The third proportional to 115,770 and 154,368 is: 205,834.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,770 : 154,368 = 154,368 : x
  2. Step 2: Convert to fraction form
    115,770/154,368 = 154,368/x
  3. Step 3: Cross multiply
    115,770x = 154,368 × 154,368
  4. Step 4: Simplify right side
    115,770x = 23,829,479,424
  5. Step 5: Solve for x
    x = 23,829,479,424/115,770
  6. Step 6: Final answer
    x = 205,834.67

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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.