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Finding the Third Proportional to 13,879,878 and 30,076,342

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Solution

The third proportional to 13,879,878 and 30,076,342 is: 65,172,499.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,879,878 : 30,076,342 = 30,076,342 : x
  2. Step 2: Convert to fraction form
    13,879,878/30,076,342 = 30,076,342/x
  3. Step 3: Cross multiply
    13,879,878x = 30,076,342 × 30,076,342
  4. Step 4: Simplify right side
    13,879,878x = 904,586,348,100,964
  5. Step 5: Solve for x
    x = 904,586,348,100,964/13,879,878
  6. Step 6: Final answer
    x = 65,172,499.94

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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.