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Finding the Third Proportional to 2,193,151.78 and 4,890,580.03

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Solution

The third proportional to 2,193,151.78 and 4,890,580.03 is: 10,905,662.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193,151.78 : 4,890,580.03 = 4,890,580.03 : x
  2. Step 2: Convert to fraction form
    2,193,151.78/4,890,580.03 = 4,890,580.03/x
  3. Step 3: Cross multiply
    2,193,151.78x = 4,890,580.03 × 4,890,580.03
  4. Step 4: Simplify right side
    2,193,151.78x = 23,917,773,042,061.25
  5. Step 5: Solve for x
    x = 23,917,773,042,061.25/2,193,151.78
  6. Step 6: Final answer
    x = 10,905,662.46

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.