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Finding the Third Proportional to 20,616,151.50 and 40,711,918

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Solution

The third proportional to 20,616,151.50 and 40,711,918 is: 80,396,201.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,616,151.50 : 40,711,918 = 40,711,918 : x
  2. Step 2: Convert to fraction form
    20,616,151.50/40,711,918 = 40,711,918/x
  3. Step 3: Cross multiply
    20,616,151.50x = 40,711,918 × 40,711,918
  4. Step 4: Simplify right side
    20,616,151.50x = 1,657,460,267,238,724
  5. Step 5: Solve for x
    x = 1,657,460,267,238,724/20,616,151.50
  6. Step 6: Final answer
    x = 80,396,201.36

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.