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Finding the Third Proportional to 275,522.25 and 425,560.50

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Solution

The third proportional to 275,522.25 and 425,560.50 is: 657,303.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,522.25 : 425,560.50 = 425,560.50 : x
  2. Step 2: Convert to fraction form
    275,522.25/425,560.50 = 425,560.50/x
  3. Step 3: Cross multiply
    275,522.25x = 425,560.50 × 425,560.50
  4. Step 4: Simplify right side
    275,522.25x = 181,101,739,160.25
  5. Step 5: Solve for x
    x = 181,101,739,160.25/275,522.25
  6. Step 6: Final answer
    x = 657,303.50

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.