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Finding the Third Proportional to 3,848,965.50 and 5,381,080

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Solution

The third proportional to 3,848,965.50 and 5,381,080 is: 7,523,066.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848,965.50 : 5,381,080 = 5,381,080 : x
  2. Step 2: Convert to fraction form
    3,848,965.50/5,381,080 = 5,381,080/x
  3. Step 3: Cross multiply
    3,848,965.50x = 5,381,080 × 5,381,080
  4. Step 4: Simplify right side
    3,848,965.50x = 28,956,021,966,400
  5. Step 5: Solve for x
    x = 28,956,021,966,400/3,848,965.50
  6. Step 6: Final answer
    x = 7,523,066.12

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.