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Finding the Third Proportional to 273,417.75 and 407,308.50

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Solution

The third proportional to 273,417.75 and 407,308.50 is: 606,764.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,417.75 : 407,308.50 = 407,308.50 : x
  2. Step 2: Convert to fraction form
    273,417.75/407,308.50 = 407,308.50/x
  3. Step 3: Cross multiply
    273,417.75x = 407,308.50 × 407,308.50
  4. Step 4: Simplify right side
    273,417.75x = 165,900,214,172.25
  5. Step 5: Solve for x
    x = 165,900,214,172.25/273,417.75
  6. Step 6: Final answer
    x = 606,764.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.