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Finding the Third Proportional to 394,980.29 and 849,903.39

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Solution

The third proportional to 394,980.29 and 849,903.39 is: 1,828,789.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,980.29 : 849,903.39 = 849,903.39 : x
  2. Step 2: Convert to fraction form
    394,980.29/849,903.39 = 849,903.39/x
  3. Step 3: Cross multiply
    394,980.29x = 849,903.39 × 849,903.39
  4. Step 4: Simplify right side
    394,980.29x = 722,335,766,133.41
  5. Step 5: Solve for x
    x = 722,335,766,133.41/394,980.29
  6. Step 6: Final answer
    x = 1,828,789.40

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.