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Finding the Third Proportional to 5,135,172 and 10,999,020

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Solution

The third proportional to 5,135,172 and 10,999,020 is: 23,558,790.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135,172 : 10,999,020 = 10,999,020 : x
  2. Step 2: Convert to fraction form
    5,135,172/10,999,020 = 10,999,020/x
  3. Step 3: Cross multiply
    5,135,172x = 10,999,020 × 10,999,020
  4. Step 4: Simplify right side
    5,135,172x = 120,978,440,960,400
  5. Step 5: Solve for x
    x = 120,978,440,960,400/5,135,172
  6. Step 6: Final answer
    x = 23,558,790.43

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.