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Finding the Third Proportional to 188,979.19 and 411,172.31

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Solution

The third proportional to 188,979.19 and 411,172.31 is: 894,610.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,979.19 : 411,172.31 = 411,172.31 : x
  2. Step 2: Convert to fraction form
    188,979.19/411,172.31 = 411,172.31/x
  3. Step 3: Cross multiply
    188,979.19x = 411,172.31 × 411,172.31
  4. Step 4: Simplify right side
    188,979.19x = 169,062,670,566.60
  5. Step 5: Solve for x
    x = 169,062,670,566.60/188,979.19
  6. Step 6: Final answer
    x = 894,610.00

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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.