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Finding the Third Proportional to 199,651.50 and 301,555.50

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Solution

The third proportional to 199,651.50 and 301,555.50 is: 455,472.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,651.50 : 301,555.50 = 301,555.50 : x
  2. Step 2: Convert to fraction form
    199,651.50/301,555.50 = 301,555.50/x
  3. Step 3: Cross multiply
    199,651.50x = 301,555.50 × 301,555.50
  4. Step 4: Simplify right side
    199,651.50x = 90,935,719,580.25
  5. Step 5: Solve for x
    x = 90,935,719,580.25/199,651.50
  6. Step 6: Final answer
    x = 455,472.26

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.