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Finding the Third Proportional to 403,620.75 and 865,194.75

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Solution

The third proportional to 403,620.75 and 865,194.75 is: 1,854,617.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,620.75 : 865,194.75 = 865,194.75 : x
  2. Step 2: Convert to fraction form
    403,620.75/865,194.75 = 865,194.75/x
  3. Step 3: Cross multiply
    403,620.75x = 865,194.75 × 865,194.75
  4. Step 4: Simplify right side
    403,620.75x = 748,561,955,427.56
  5. Step 5: Solve for x
    x = 748,561,955,427.56/403,620.75
  6. Step 6: Final answer
    x = 1,854,617.13

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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.