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Finding the Third Proportional to 2,660,103 and 4,127,391

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Solution

The third proportional to 2,660,103 and 4,127,391 is: 6,404,021.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660,103 : 4,127,391 = 4,127,391 : x
  2. Step 2: Convert to fraction form
    2,660,103/4,127,391 = 4,127,391/x
  3. Step 3: Cross multiply
    2,660,103x = 4,127,391 × 4,127,391
  4. Step 4: Simplify right side
    2,660,103x = 17,035,356,466,881
  5. Step 5: Solve for x
    x = 17,035,356,466,881/2,660,103
  6. Step 6: Final answer
    x = 6,404,021.37

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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.