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Finding the Third Proportional to 613,856.81 and 1,339,220.25

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Solution

The third proportional to 613,856.81 and 1,339,220.25 is: 2,921,708.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,856.81 : 1,339,220.25 = 1,339,220.25 : x
  2. Step 2: Convert to fraction form
    613,856.81/1,339,220.25 = 1,339,220.25/x
  3. Step 3: Cross multiply
    613,856.81x = 1,339,220.25 × 1,339,220.25
  4. Step 4: Simplify right side
    613,856.81x = 1,793,510,878,010.06
  5. Step 5: Solve for x
    x = 1,793,510,878,010.06/613,856.81
  6. Step 6: Final answer
    x = 2,921,708.84

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.