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Finding the Third Proportional to 9,421,188 and 20,700,341

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Solution

The third proportional to 9,421,188 and 20,700,341 is: 45,483,023.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,421,188 : 20,700,341 = 20,700,341 : x
  2. Step 2: Convert to fraction form
    9,421,188/20,700,341 = 20,700,341/x
  3. Step 3: Cross multiply
    9,421,188x = 20,700,341 × 20,700,341
  4. Step 4: Simplify right side
    9,421,188x = 428,504,117,516,281
  5. Step 5: Solve for x
    x = 428,504,117,516,281/9,421,188
  6. Step 6: Final answer
    x = 45,483,023.75

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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.