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Finding the Third Proportional to 204,775.88 and 320,530.50

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Solution

The third proportional to 204,775.88 and 320,530.50 is: 501,718.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,775.88 : 320,530.50 = 320,530.50 : x
  2. Step 2: Convert to fraction form
    204,775.88/320,530.50 = 320,530.50/x
  3. Step 3: Cross multiply
    204,775.88x = 320,530.50 × 320,530.50
  4. Step 4: Simplify right side
    204,775.88x = 102,739,801,430.25
  5. Step 5: Solve for x
    x = 102,739,801,430.25/204,775.88
  6. Step 6: Final answer
    x = 501,718.29

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.