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Finding the Third Proportional to 116,979.19 and 253,996.31

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Solution

The third proportional to 116,979.19 and 253,996.31 is: 551,500.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,979.19 : 253,996.31 = 253,996.31 : x
  2. Step 2: Convert to fraction form
    116,979.19/253,996.31 = 253,996.31/x
  3. Step 3: Cross multiply
    116,979.19x = 253,996.31 × 253,996.31
  4. Step 4: Simplify right side
    116,979.19x = 64,514,126,763.60
  5. Step 5: Solve for x
    x = 64,514,126,763.60/116,979.19
  6. Step 6: Final answer
    x = 551,500.90

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.