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Finding the Third Proportional to 91,555.31 and 200,566.13

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Solution

The third proportional to 91,555.31 and 200,566.13 is: 439,371.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,555.31 : 200,566.13 = 200,566.13 : x
  2. Step 2: Convert to fraction form
    91,555.31/200,566.13 = 200,566.13/x
  3. Step 3: Cross multiply
    91,555.31x = 200,566.13 × 200,566.13
  4. Step 4: Simplify right side
    91,555.31x = 40,226,770,497.52
  5. Step 5: Solve for x
    x = 40,226,770,497.52/91,555.31
  6. Step 6: Final answer
    x = 439,371.23

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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.