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Finding the Third Proportional to 4,100,391 and 8,972,928

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Solution

The third proportional to 4,100,391 and 8,972,928 is: 19,635,551.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,100,391 : 8,972,928 = 8,972,928 : x
  2. Step 2: Convert to fraction form
    4,100,391/8,972,928 = 8,972,928/x
  3. Step 3: Cross multiply
    4,100,391x = 8,972,928 × 8,972,928
  4. Step 4: Simplify right side
    4,100,391x = 80,513,436,893,184
  5. Step 5: Solve for x
    x = 80,513,436,893,184/4,100,391
  6. Step 6: Final answer
    x = 19,635,551.07

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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.