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Finding the Third Proportional to 199,624.50 and 308,356.50

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Solution

The third proportional to 199,624.50 and 308,356.50 is: 476,312.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,624.50 : 308,356.50 = 308,356.50 : x
  2. Step 2: Convert to fraction form
    199,624.50/308,356.50 = 308,356.50/x
  3. Step 3: Cross multiply
    199,624.50x = 308,356.50 × 308,356.50
  4. Step 4: Simplify right side
    199,624.50x = 95,083,731,092.25
  5. Step 5: Solve for x
    x = 95,083,731,092.25/199,624.50
  6. Step 6: Final answer
    x = 476,312.93

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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.