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Finding the Third Proportional to 141,612.75 and 289,786.50

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Solution

The third proportional to 141,612.75 and 289,786.50 is: 592,998.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,612.75 : 289,786.50 = 289,786.50 : x
  2. Step 2: Convert to fraction form
    141,612.75/289,786.50 = 289,786.50/x
  3. Step 3: Cross multiply
    141,612.75x = 289,786.50 × 289,786.50
  4. Step 4: Simplify right side
    141,612.75x = 83,976,215,582.25
  5. Step 5: Solve for x
    x = 83,976,215,582.25/141,612.75
  6. Step 6: Final answer
    x = 592,998.97

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.