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Finding the Third Proportional to 4,745,220 and 7,353,780

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Solution

The third proportional to 4,745,220 and 7,353,780 is: 11,396,327.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,745,220 : 7,353,780 = 7,353,780 : x
  2. Step 2: Convert to fraction form
    4,745,220/7,353,780 = 7,353,780/x
  3. Step 3: Cross multiply
    4,745,220x = 7,353,780 × 7,353,780
  4. Step 4: Simplify right side
    4,745,220x = 54,078,080,288,400
  5. Step 5: Solve for x
    x = 54,078,080,288,400/4,745,220
  6. Step 6: Final answer
    x = 11,396,327.31

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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.