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Finding the Third Proportional to 36,385,980 and 79,608,360

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Solution

The third proportional to 36,385,980 and 79,608,360 is: 174,173,980.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,385,980 : 79,608,360 = 79,608,360 : x
  2. Step 2: Convert to fraction form
    36,385,980/79,608,360 = 79,608,360/x
  3. Step 3: Cross multiply
    36,385,980x = 79,608,360 × 79,608,360
  4. Step 4: Simplify right side
    36,385,980x = 6,337,490,981,889,600
  5. Step 5: Solve for x
    x = 6,337,490,981,889,600/36,385,980
  6. Step 6: Final answer
    x = 174,173,980.80

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.