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Finding the Third Proportional to 20,289,290.50 and 41,287,166.50

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Solution

The third proportional to 20,289,290.50 and 41,287,166.50 is: 84,016,250.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,289,290.50 : 41,287,166.50 = 41,287,166.50 : x
  2. Step 2: Convert to fraction form
    20,289,290.50/41,287,166.50 = 41,287,166.50/x
  3. Step 3: Cross multiply
    20,289,290.50x = 41,287,166.50 × 41,287,166.50
  4. Step 4: Simplify right side
    20,289,290.50x = 1,704,630,117,598,722.25
  5. Step 5: Solve for x
    x = 1,704,630,117,598,722.25/20,289,290.50
  6. Step 6: Final answer
    x = 84,016,250.72

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.