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Finding the Third Proportional to 4,413,456.75 and 9,503,208.56

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Solution

The third proportional to 4,413,456.75 and 9,503,208.56 is: 20,462,639.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,413,456.75 : 9,503,208.56 = 9,503,208.56 : x
  2. Step 2: Convert to fraction form
    4,413,456.75/9,503,208.56 = 9,503,208.56/x
  3. Step 3: Cross multiply
    4,413,456.75x = 9,503,208.56 × 9,503,208.56
  4. Step 4: Simplify right side
    4,413,456.75x = 90,310,972,982,373.31
  5. Step 5: Solve for x
    x = 90,310,972,982,373.31/4,413,456.75
  6. Step 6: Final answer
    x = 20,462,639.17

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.