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Finding the Third Proportional to 9,153,696 and 20,135,520

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Solution

The third proportional to 9,153,696 and 20,135,520 is: 44,292,400.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153,696 : 20,135,520 = 20,135,520 : x
  2. Step 2: Convert to fraction form
    9,153,696/20,135,520 = 20,135,520/x
  3. Step 3: Cross multiply
    9,153,696x = 20,135,520 × 20,135,520
  4. Step 4: Simplify right side
    9,153,696x = 405,439,165,670,400
  5. Step 5: Solve for x
    x = 405,439,165,670,400/9,153,696
  6. Step 6: Final answer
    x = 44,292,400.10

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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.