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Finding the Third Proportional to 27,630 and 63,396

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Solution

The third proportional to 27,630 and 63,396 is: 145,459.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,630 : 63,396 = 63,396 : x
  2. Step 2: Convert to fraction form
    27,630/63,396 = 63,396/x
  3. Step 3: Cross multiply
    27,630x = 63,396 × 63,396
  4. Step 4: Simplify right side
    27,630x = 4,019,052,816
  5. Step 5: Solve for x
    x = 4,019,052,816/27,630
  6. Step 6: Final answer
    x = 145,459.75

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Why These Related Problems?

These problems maintain the same ratio (2.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.