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Finding the Third Proportional to 13,879,867 and 30,076,321

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Solution

The third proportional to 13,879,867 and 30,076,321 is: 65,172,460.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,879,867 : 30,076,321 = 30,076,321 : x
  2. Step 2: Convert to fraction form
    13,879,867/30,076,321 = 30,076,321/x
  3. Step 3: Cross multiply
    13,879,867x = 30,076,321 × 30,076,321
  4. Step 4: Simplify right side
    13,879,867x = 904,585,084,895,041
  5. Step 5: Solve for x
    x = 904,585,084,895,041/13,879,867
  6. Step 6: Final answer
    x = 65,172,460.58

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.