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Finding the Third Proportional to 3,975,573 and 8,580,618

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Solution

The third proportional to 3,975,573 and 8,580,618 is: 18,519,847.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975,573 : 8,580,618 = 8,580,618 : x
  2. Step 2: Convert to fraction form
    3,975,573/8,580,618 = 8,580,618/x
  3. Step 3: Cross multiply
    3,975,573x = 8,580,618 × 8,580,618
  4. Step 4: Simplify right side
    3,975,573x = 73,627,005,261,924
  5. Step 5: Solve for x
    x = 73,627,005,261,924/3,975,573
  6. Step 6: Final answer
    x = 18,519,847.39

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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.