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Finding the Third Proportional to 262,579.50 and 407,371.50

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Solution

The third proportional to 262,579.50 and 407,371.50 is: 632,004.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,579.50 : 407,371.50 = 407,371.50 : x
  2. Step 2: Convert to fraction form
    262,579.50/407,371.50 = 407,371.50/x
  3. Step 3: Cross multiply
    262,579.50x = 407,371.50 × 407,371.50
  4. Step 4: Simplify right side
    262,579.50x = 165,951,539,012.25
  5. Step 5: Solve for x
    x = 165,951,539,012.25/262,579.50
  6. Step 6: Final answer
    x = 632,004.93

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.