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Finding the Third Proportional to 225,802.13 and 309,624.75

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Solution

The third proportional to 225,802.13 and 309,624.75 is: 424,564.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,802.13 : 309,624.75 = 309,624.75 : x
  2. Step 2: Convert to fraction form
    225,802.13/309,624.75 = 309,624.75/x
  3. Step 3: Cross multiply
    225,802.13x = 309,624.75 × 309,624.75
  4. Step 4: Simplify right side
    225,802.13x = 95,867,485,812.56
  5. Step 5: Solve for x
    x = 95,867,485,812.56/225,802.13
  6. Step 6: Final answer
    x = 424,564.14

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.