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Finding the Third Proportional to 18,877,794 and 28,664,664

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Solution

The third proportional to 18,877,794 and 28,664,664 is: 43,525,369.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,877,794 : 28,664,664 = 28,664,664 : x
  2. Step 2: Convert to fraction form
    18,877,794/28,664,664 = 28,664,664/x
  3. Step 3: Cross multiply
    18,877,794x = 28,664,664 × 28,664,664
  4. Step 4: Simplify right side
    18,877,794x = 821,662,962,232,896
  5. Step 5: Solve for x
    x = 821,662,962,232,896/18,877,794
  6. Step 6: Final answer
    x = 43,525,369.66

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.