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Finding the Third Proportional to 18,851,921 and 28,825,752

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Solution

The third proportional to 18,851,921 and 28,825,752 is: 44,076,355.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,851,921 : 28,825,752 = 28,825,752 : x
  2. Step 2: Convert to fraction form
    18,851,921/28,825,752 = 28,825,752/x
  3. Step 3: Cross multiply
    18,851,921x = 28,825,752 × 28,825,752
  4. Step 4: Simplify right side
    18,851,921x = 830,923,978,365,504
  5. Step 5: Solve for x
    x = 830,923,978,365,504/18,851,921
  6. Step 6: Final answer
    x = 44,076,355.85

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.