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Finding the Third Proportional to 1,035,618.75 and 2,215,171.13

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Solution

The third proportional to 1,035,618.75 and 2,215,171.13 is: 4,738,213.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,618.75 : 2,215,171.13 = 2,215,171.13 : x
  2. Step 2: Convert to fraction form
    1,035,618.75/2,215,171.13 = 2,215,171.13/x
  3. Step 3: Cross multiply
    1,035,618.75x = 2,215,171.13 × 2,215,171.13
  4. Step 4: Simplify right side
    1,035,618.75x = 4,906,983,113,033.77
  5. Step 5: Solve for x
    x = 4,906,983,113,033.77/1,035,618.75
  6. Step 6: Final answer
    x = 4,738,213.86

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.