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Finding the Third Proportional to 2,917,660.50 and 4,687,868.25

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Solution

The third proportional to 2,917,660.50 and 4,687,868.25 is: 7,532,099.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917,660.50 : 4,687,868.25 = 4,687,868.25 : x
  2. Step 2: Convert to fraction form
    2,917,660.50/4,687,868.25 = 4,687,868.25/x
  3. Step 3: Cross multiply
    2,917,660.50x = 4,687,868.25 × 4,687,868.25
  4. Step 4: Simplify right side
    2,917,660.50x = 21,976,108,729,358.06
  5. Step 5: Solve for x
    x = 21,976,108,729,358.06/2,917,660.50
  6. Step 6: Final answer
    x = 7,532,099.34

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.