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Finding the Third Proportional to 9,570,131 and 21,000,311

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Solution

The third proportional to 9,570,131 and 21,000,311 is: 46,082,238.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,570,131 : 21,000,311 = 21,000,311 : x
  2. Step 2: Convert to fraction form
    9,570,131/21,000,311 = 21,000,311/x
  3. Step 3: Cross multiply
    9,570,131x = 21,000,311 × 21,000,311
  4. Step 4: Simplify right side
    9,570,131x = 441,013,062,096,721
  5. Step 5: Solve for x
    x = 441,013,062,096,721/9,570,131
  6. Step 6: Final answer
    x = 46,082,238.80

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.