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Finding the Third Proportional to 786,221.25 and 1,719,653.25

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Solution

The third proportional to 786,221.25 and 1,719,653.25 is: 3,761,291.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,221.25 : 1,719,653.25 = 1,719,653.25 : x
  2. Step 2: Convert to fraction form
    786,221.25/1,719,653.25 = 1,719,653.25/x
  3. Step 3: Cross multiply
    786,221.25x = 1,719,653.25 × 1,719,653.25
  4. Step 4: Simplify right side
    786,221.25x = 2,957,207,300,235.56
  5. Step 5: Solve for x
    x = 2,957,207,300,235.56/786,221.25
  6. Step 6: Final answer
    x = 3,761,291.49

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.