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Finding the Third Proportional to 21,638,562.75 and 45,691,573.50

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Solution

The third proportional to 21,638,562.75 and 45,691,573.50 is: 96,481,449.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,638,562.75 : 45,691,573.50 = 45,691,573.50 : x
  2. Step 2: Convert to fraction form
    21,638,562.75/45,691,573.50 = 45,691,573.50/x
  3. Step 3: Cross multiply
    21,638,562.75x = 45,691,573.50 × 45,691,573.50
  4. Step 4: Simplify right side
    21,638,562.75x = 2,087,719,888,905,902.25
  5. Step 5: Solve for x
    x = 2,087,719,888,905,902.25/21,638,562.75
  6. Step 6: Final answer
    x = 96,481,449.02

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.