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Finding the Third Proportional to 360,532.75 and 522,209.50

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Solution

The third proportional to 360,532.75 and 522,209.50 is: 756,388.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,532.75 : 522,209.50 = 522,209.50 : x
  2. Step 2: Convert to fraction form
    360,532.75/522,209.50 = 522,209.50/x
  3. Step 3: Cross multiply
    360,532.75x = 522,209.50 × 522,209.50
  4. Step 4: Simplify right side
    360,532.75x = 272,702,761,890.25
  5. Step 5: Solve for x
    x = 272,702,761,890.25/360,532.75
  6. Step 6: Final answer
    x = 756,388.32

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.