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Finding the Third Proportional to 68,448 and 102,388

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Solution

The third proportional to 68,448 and 102,388 is: 153,157.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,448 : 102,388 = 102,388 : x
  2. Step 2: Convert to fraction form
    68,448/102,388 = 102,388/x
  3. Step 3: Cross multiply
    68,448x = 102,388 × 102,388
  4. Step 4: Simplify right side
    68,448x = 10,483,302,544
  5. Step 5: Solve for x
    x = 10,483,302,544/68,448
  6. Step 6: Final answer
    x = 153,157.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.