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Finding the Third Proportional to 1,114,511 and 1,721,991

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Solution

The third proportional to 1,114,511 and 1,721,991 is: 2,660,586.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,511 : 1,721,991 = 1,721,991 : x
  2. Step 2: Convert to fraction form
    1,114,511/1,721,991 = 1,721,991/x
  3. Step 3: Cross multiply
    1,114,511x = 1,721,991 × 1,721,991
  4. Step 4: Simplify right side
    1,114,511x = 2,965,253,004,081
  5. Step 5: Solve for x
    x = 2,965,253,004,081/1,114,511
  6. Step 6: Final answer
    x = 2,660,586.57

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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.