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Finding the Third Proportional to 16,830,486 and 36,351,720

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Solution

The third proportional to 16,830,486 and 36,351,720 is: 78,515,115.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,830,486 : 36,351,720 = 36,351,720 : x
  2. Step 2: Convert to fraction form
    16,830,486/36,351,720 = 36,351,720/x
  3. Step 3: Cross multiply
    16,830,486x = 36,351,720 × 36,351,720
  4. Step 4: Simplify right side
    16,830,486x = 1,321,447,546,958,400
  5. Step 5: Solve for x
    x = 1,321,447,546,958,400/16,830,486
  6. Step 6: Final answer
    x = 78,515,115.19

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.