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Finding the Third Proportional to 3,975,557 and 8,580,586

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Solution

The third proportional to 3,975,557 and 8,580,586 is: 18,519,783.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975,557 : 8,580,586 = 8,580,586 : x
  2. Step 2: Convert to fraction form
    3,975,557/8,580,586 = 8,580,586/x
  3. Step 3: Cross multiply
    3,975,557x = 8,580,586 × 8,580,586
  4. Step 4: Simplify right side
    3,975,557x = 73,626,456,103,396
  5. Step 5: Solve for x
    x = 73,626,456,103,396/3,975,557
  6. Step 6: Final answer
    x = 18,519,783.79

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.