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Finding the Third Proportional to 353,179.50 and 528,358.50

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Solution

The third proportional to 353,179.50 and 528,358.50 is: 790,427.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,179.50 : 528,358.50 = 528,358.50 : x
  2. Step 2: Convert to fraction form
    353,179.50/528,358.50 = 528,358.50/x
  3. Step 3: Cross multiply
    353,179.50x = 528,358.50 × 528,358.50
  4. Step 4: Simplify right side
    353,179.50x = 279,162,704,522.25
  5. Step 5: Solve for x
    x = 279,162,704,522.25/353,179.50
  6. Step 6: Final answer
    x = 790,427.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.