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Finding the Third Proportional to 20,174,411 and 41,784,329

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Solution

The third proportional to 20,174,411 and 41,784,329 is: 86,541,815.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,174,411 : 41,784,329 = 41,784,329 : x
  2. Step 2: Convert to fraction form
    20,174,411/41,784,329 = 41,784,329/x
  3. Step 3: Cross multiply
    20,174,411x = 41,784,329 × 41,784,329
  4. Step 4: Simplify right side
    20,174,411x = 1,745,930,149,980,241
  5. Step 5: Solve for x
    x = 1,745,930,149,980,241/20,174,411
  6. Step 6: Final answer
    x = 86,541,815.27

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.