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Finding the Third Proportional to 2,217,187.69 and 4,765,806.56

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Solution

The third proportional to 2,217,187.69 and 4,765,806.56 is: 10,244,018.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217,187.69 : 4,765,806.56 = 4,765,806.56 : x
  2. Step 2: Convert to fraction form
    2,217,187.69/4,765,806.56 = 4,765,806.56/x
  3. Step 3: Cross multiply
    2,217,187.69x = 4,765,806.56 × 4,765,806.56
  4. Step 4: Simplify right side
    2,217,187.69x = 22,712,912,191,168.07
  5. Step 5: Solve for x
    x = 22,712,912,191,168.07/2,217,187.69
  6. Step 6: Final answer
    x = 10,244,018.73

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.