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Finding the Third Proportional to 255,190.50 and 557,073

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Solution

The third proportional to 255,190.50 and 557,073 is: 1,216,073.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,190.50 : 557,073 = 557,073 : x
  2. Step 2: Convert to fraction form
    255,190.50/557,073 = 557,073/x
  3. Step 3: Cross multiply
    255,190.50x = 557,073 × 557,073
  4. Step 4: Simplify right side
    255,190.50x = 310,330,327,329
  5. Step 5: Solve for x
    x = 310,330,327,329/255,190.50
  6. Step 6: Final answer
    x = 1,216,073.20

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.