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Finding the Third Proportional to 352,629 and 528,940

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Solution

The third proportional to 352,629 and 528,940 is: 793,404.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,629 : 528,940 = 528,940 : x
  2. Step 2: Convert to fraction form
    352,629/528,940 = 528,940/x
  3. Step 3: Cross multiply
    352,629x = 528,940 × 528,940
  4. Step 4: Simplify right side
    352,629x = 279,777,523,600
  5. Step 5: Solve for x
    x = 279,777,523,600/352,629
  6. Step 6: Final answer
    x = 793,404.75

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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.