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Finding the Third Proportional to 386,257.50 and 590,874.75

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Solution

The third proportional to 386,257.50 and 590,874.75 is: 903,886.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,257.50 : 590,874.75 = 590,874.75 : x
  2. Step 2: Convert to fraction form
    386,257.50/590,874.75 = 590,874.75/x
  3. Step 3: Cross multiply
    386,257.50x = 590,874.75 × 590,874.75
  4. Step 4: Simplify right side
    386,257.50x = 349,132,970,187.56
  5. Step 5: Solve for x
    x = 349,132,970,187.56/386,257.50
  6. Step 6: Final answer
    x = 903,886.58

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.