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Finding the Third Proportional to 5,768,215.50 and 8,928,672

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Solution

The third proportional to 5,768,215.50 and 8,928,672 is: 13,820,770.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,768,215.50 : 8,928,672 = 8,928,672 : x
  2. Step 2: Convert to fraction form
    5,768,215.50/8,928,672 = 8,928,672/x
  3. Step 3: Cross multiply
    5,768,215.50x = 8,928,672 × 8,928,672
  4. Step 4: Simplify right side
    5,768,215.50x = 79,721,183,683,584
  5. Step 5: Solve for x
    x = 79,721,183,683,584/5,768,215.50
  6. Step 6: Final answer
    x = 13,820,770.68

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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.