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Finding the Third Proportional to 36,279,168 and 78,935,403

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Solution

The third proportional to 36,279,168 and 78,935,403 is: 171,745,885.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,279,168 : 78,935,403 = 78,935,403 : x
  2. Step 2: Convert to fraction form
    36,279,168/78,935,403 = 78,935,403/x
  3. Step 3: Cross multiply
    36,279,168x = 78,935,403 × 78,935,403
  4. Step 4: Simplify right side
    36,279,168x = 6,230,797,846,772,409
  5. Step 5: Solve for x
    x = 6,230,797,846,772,409/36,279,168
  6. Step 6: Final answer
    x = 171,745,885.87

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.