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Finding the Third Proportional to 20,638,855.69 and 44,909,532.42

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Solution

The third proportional to 20,638,855.69 and 44,909,532.42 is: 97,721,798.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,638,855.69 : 44,909,532.42 = 44,909,532.42 : x
  2. Step 2: Convert to fraction form
    20,638,855.69/44,909,532.42 = 44,909,532.42/x
  3. Step 3: Cross multiply
    20,638,855.69x = 44,909,532.42 × 44,909,532.42
  4. Step 4: Simplify right side
    20,638,855.69x = 2,016,866,102,351,441.75
  5. Step 5: Solve for x
    x = 2,016,866,102,351,441.75/20,638,855.69
  6. Step 6: Final answer
    x = 97,721,798.77

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.