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Finding the Third Proportional to 18,150,128 and 28,117,524

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Solution

The third proportional to 18,150,128 and 28,117,524 is: 43,558,654.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,150,128 : 28,117,524 = 28,117,524 : x
  2. Step 2: Convert to fraction form
    18,150,128/28,117,524 = 28,117,524/x
  3. Step 3: Cross multiply
    18,150,128x = 28,117,524 × 28,117,524
  4. Step 4: Simplify right side
    18,150,128x = 790,595,155,890,576
  5. Step 5: Solve for x
    x = 790,595,155,890,576/18,150,128
  6. Step 6: Final answer
    x = 43,558,654.57

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.