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Finding the Third Proportional to 36,008,518 and 78,847,036

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Solution

The third proportional to 36,008,518 and 78,847,036 is: 172,649,568.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,008,518 : 78,847,036 = 78,847,036 : x
  2. Step 2: Convert to fraction form
    36,008,518/78,847,036 = 78,847,036/x
  3. Step 3: Cross multiply
    36,008,518x = 78,847,036 × 78,847,036
  4. Step 4: Simplify right side
    36,008,518x = 6,216,855,085,985,296
  5. Step 5: Solve for x
    x = 6,216,855,085,985,296/36,008,518
  6. Step 6: Final answer
    x = 172,649,568.25

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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.