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Finding the Third Proportional to 9,570,141.56 and 21,000,321.56

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Solution

The third proportional to 9,570,141.56 and 21,000,321.56 is: 46,082,234.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,570,141.56 : 21,000,321.56 = 21,000,321.56 : x
  2. Step 2: Convert to fraction form
    9,570,141.56/21,000,321.56 = 21,000,321.56/x
  3. Step 3: Cross multiply
    9,570,141.56x = 21,000,321.56 × 21,000,321.56
  4. Step 4: Simplify right side
    9,570,141.56x = 441,013,505,728,402.44
  5. Step 5: Solve for x
    x = 441,013,505,728,402.44/9,570,141.56
  6. Step 6: Final answer
    x = 46,082,234.30

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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.