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Finding the Third Proportional to 20,616,157.50 and 40,711,929

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Solution

The third proportional to 20,616,157.50 and 40,711,929 is: 80,396,221.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,616,157.50 : 40,711,929 = 40,711,929 : x
  2. Step 2: Convert to fraction form
    20,616,157.50/40,711,929 = 40,711,929/x
  3. Step 3: Cross multiply
    20,616,157.50x = 40,711,929 × 40,711,929
  4. Step 4: Simplify right side
    20,616,157.50x = 1,657,461,162,901,041
  5. Step 5: Solve for x
    x = 1,657,461,162,901,041/20,616,157.50
  6. Step 6: Final answer
    x = 80,396,221.41

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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.