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Finding the Third Proportional to 393,580.69 and 590,253.75

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Solution

The third proportional to 393,580.69 and 590,253.75 is: 885,204.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,580.69 : 590,253.75 = 590,253.75 : x
  2. Step 2: Convert to fraction form
    393,580.69/590,253.75 = 590,253.75/x
  3. Step 3: Cross multiply
    393,580.69x = 590,253.75 × 590,253.75
  4. Step 4: Simplify right side
    393,580.69x = 348,399,489,389.06
  5. Step 5: Solve for x
    x = 348,399,489,389.06/393,580.69
  6. Step 6: Final answer
    x = 885,204.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.