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Finding the Third Proportional to 5,535,471 and 11,980,731

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Solution

The third proportional to 5,535,471 and 11,980,731 is: 25,930,569.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,535,471 : 11,980,731 = 11,980,731 : x
  2. Step 2: Convert to fraction form
    5,535,471/11,980,731 = 11,980,731/x
  3. Step 3: Cross multiply
    5,535,471x = 11,980,731 × 11,980,731
  4. Step 4: Simplify right side
    5,535,471x = 143,537,915,294,361
  5. Step 5: Solve for x
    x = 143,537,915,294,361/5,535,471
  6. Step 6: Final answer
    x = 25,930,569.47

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.