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Finding the Third Proportional to 64,678 and 96,765

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Solution

The third proportional to 64,678 and 96,765 is: 144,770.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,678 : 96,765 = 96,765 : x
  2. Step 2: Convert to fraction form
    64,678/96,765 = 96,765/x
  3. Step 3: Cross multiply
    64,678x = 96,765 × 96,765
  4. Step 4: Simplify right side
    64,678x = 9,363,465,225
  5. Step 5: Solve for x
    x = 9,363,465,225/64,678
  6. Step 6: Final answer
    x = 144,770.48

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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.