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Finding the Third Proportional to 275,240.13 and 387,588.13

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Solution

The third proportional to 275,240.13 and 387,588.13 is: 545,794.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,240.13 : 387,588.13 = 387,588.13 : x
  2. Step 2: Convert to fraction form
    275,240.13/387,588.13 = 387,588.13/x
  3. Step 3: Cross multiply
    275,240.13x = 387,588.13 × 387,588.13
  4. Step 4: Simplify right side
    275,240.13x = 150,224,554,641.02
  5. Step 5: Solve for x
    x = 150,224,554,641.02/275,240.13
  6. Step 6: Final answer
    x = 545,794.53

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.