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Finding the Third Proportional to 16,715,430 and 36,213,180

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Solution

The third proportional to 16,715,430 and 36,213,180 is: 78,454,123.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,715,430 : 36,213,180 = 36,213,180 : x
  2. Step 2: Convert to fraction form
    16,715,430/36,213,180 = 36,213,180/x
  3. Step 3: Cross multiply
    16,715,430x = 36,213,180 × 36,213,180
  4. Step 4: Simplify right side
    16,715,430x = 1,311,394,405,712,400
  5. Step 5: Solve for x
    x = 1,311,394,405,712,400/16,715,430
  6. Step 6: Final answer
    x = 78,454,123.27

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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.