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Finding the Third Proportional to 20,442,630 and 45,033,270

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Solution

The third proportional to 20,442,630 and 45,033,270 is: 99,204,231.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,442,630 : 45,033,270 = 45,033,270 : x
  2. Step 2: Convert to fraction form
    20,442,630/45,033,270 = 45,033,270/x
  3. Step 3: Cross multiply
    20,442,630x = 45,033,270 × 45,033,270
  4. Step 4: Simplify right side
    20,442,630x = 2,027,995,406,892,900
  5. Step 5: Solve for x
    x = 2,027,995,406,892,900/20,442,630
  6. Step 6: Final answer
    x = 99,204,231.89

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.