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Finding the Third Proportional to 36,396 and 77,184

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Solution

The third proportional to 36,396 and 77,184 is: 163,681.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,396 : 77,184 = 77,184 : x
  2. Step 2: Convert to fraction form
    36,396/77,184 = 77,184/x
  3. Step 3: Cross multiply
    36,396x = 77,184 × 77,184
  4. Step 4: Simplify right side
    36,396x = 5,957,369,856
  5. Step 5: Solve for x
    x = 5,957,369,856/36,396
  6. Step 6: Final answer
    x = 163,681.99

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.