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Finding the Third Proportional to 3,973,482 and 6,151,221

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Solution

The third proportional to 3,973,482 and 6,151,221 is: 9,522,509.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,973,482 : 6,151,221 = 6,151,221 : x
  2. Step 2: Convert to fraction form
    3,973,482/6,151,221 = 6,151,221/x
  3. Step 3: Cross multiply
    3,973,482x = 6,151,221 × 6,151,221
  4. Step 4: Simplify right side
    3,973,482x = 37,837,519,790,841
  5. Step 5: Solve for x
    x = 37,837,519,790,841/3,973,482
  6. Step 6: Final answer
    x = 9,522,509.42

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.