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Finding the Third Proportional to 5,199,314 and 11,220,690

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Solution

The third proportional to 5,199,314 and 11,220,690 is: 24,215,479.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199,314 : 11,220,690 = 11,220,690 : x
  2. Step 2: Convert to fraction form
    5,199,314/11,220,690 = 11,220,690/x
  3. Step 3: Cross multiply
    5,199,314x = 11,220,690 × 11,220,690
  4. Step 4: Simplify right side
    5,199,314x = 125,903,884,076,100
  5. Step 5: Solve for x
    x = 125,903,884,076,100/5,199,314
  6. Step 6: Final answer
    x = 24,215,479.98

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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.